2025-12-17 216.73.216.99
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
NB/T 11521-2024 General technical conditions of monitoring system for mine patrolinspection instrument 225.0 via email in 1~3 business day valid,,2024-11-24
NB/T 11522-2024 Tooling device for shearer and roadheader 270.0 via email in 1~3 business day valid,,2024-11-24
NB/T 11523-2024 5G communication base station for coal mines 420.0 via email in 1~5 business day valid,,2024-11-24
NB/T 11524-2024 General technical requirements of mine sprinkler robot 420.0 via email in 1~5 business day valid,,2024-11-24
NB/T 11525-2024 Technical conditions for pneumatic and electricdispatching monorail cranes 180.0 via email in 1~3 business day valid,,2024-11-24
NB/T 11526-2024 General technical conditions for coal mine micro-seismic monitoring system 285.0 via email in 1~3 business day valid,,2024-11-24
NB/T 11527-2024 Code of Practice for Gas Directional Drilling in Coal Mine 180.0 via email in 1~3 business day valid,,2024-11-24
NB/T 11528-2024 Technical Regulations of Wireless Measurement While Drilling and DeviceMaintenance in Coal Mine 180.0 via email in 1~3 business day valid,,2024-11-24
NB/T 11529-2024 Seismic-while-mining detection technology in coalmine working face 195.0 via email in 1~3 business day valid,,2024-11-24
NB/T 11530-2024 General specification of mining hydraulic concrete spraying manipulator 165.0 via email in 1~3 business day valid,,2024-11-24
NB/T 11531-2024 Determination of total phosphorus,ammonia nitrogen,permanganate index incoal mine water-Flow injection-spectrophotometry 210.0 via email in 1~3 business day valid,,2024-11-24
NB/T 11532-2024 Determination of multiple elements (potassium, sodium, calcium, magnesium,chromium, copper, zinc, barium, strontium, iron, aluminum, gallium, nickel,vanadium, germanium, boron, phosphorus, titanium, manganese) content incoal mine water by inductively coupled plasma emission spectroscopy 165.0 via email in 1~3 business day valid,,2024-11-24
NB/T 11533-2024 Determination of chloride,fluoride, bromide, sulfate, nitrate,nitrite and phosphate in coal mine water _on chromatography 135.0 via email in 1~3 business day valid,,2024-11-24
NB/T 11534-2024 General technical requirements for mining voltage and current sensors 345.0 via email in 1~5 business day valid,,2024-11-24
NB/T 11535-2024 Test method of rebound rate of shotcrete 255.0 via email in 1~3 business day valid,,2024-11-24
NB/T 11536-2024 Technical Specification for Underground Grouting and ReinforcementRetrofitting of Floor of mining above confined aquifer in Coal Mines 210.0 via email in 1~3 business day valid,,2024-11-24
NB/T 11537-2024 Code for detection and inspection of railcars in use in coal mines 210.0 via email in 1~3 business day valid,,2024-11-24
NB/T 11538-2024 The determination method of hydrogen sulfide content in coal seams 330.0 via email in 1~5 business day valid,,2024-11-24
NB/T 11539-2024 General technical requirements for mining level sensors 255.0 via email in 1~3 business day valid,,2024-11-24
NB/T 11540-2024 Methods for the determination of coal and rock abrasion resistance 135.0 via email in 1~3 business day valid,,2024-11-24
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NB/T 11521-2024 General technical conditions of monitoring system for mine patrolinspection instrument 
  Issued on: 2024-05-24   Price(USD): 225.0
NB/T 11522-2024 Tooling device for shearer and roadheader 
  Issued on: 2024-05-24   Price(USD): 270.0
NB/T 11523-2024 5G communication base station for coal mines 
  Issued on: 2024-05-24   Price(USD): 420.0
NB/T 11524-2024 General technical requirements of mine sprinkler robot 
  Issued on: 2024-05-24   Price(USD): 420.0
NB/T 11525-2024 Technical conditions for pneumatic and electricdispatching monorail cranes 
  Issued on: 2024-05-24   Price(USD): 180.0
NB/T 11526-2024 General technical conditions for coal mine micro-seismic monitoring system 
  Issued on: 2024-05-24   Price(USD): 285.0
NB/T 11527-2024 Code of Practice for Gas Directional Drilling in Coal Mine 
  Issued on: 2024-05-24   Price(USD): 180.0
NB/T 11528-2024 Technical Regulations of Wireless Measurement While Drilling and DeviceMaintenance in Coal Mine 
  Issued on: 2024-05-24   Price(USD): 180.0
NB/T 11529-2024 Seismic-while-mining detection technology in coalmine working face 
  Issued on: 2024-05-24   Price(USD): 195.0
NB/T 11530-2024 General specification of mining hydraulic concrete spraying manipulator 
  Issued on: 2024-05-24   Price(USD): 165.0
NB/T 11531-2024 Determination of total phosphorus,ammonia nitrogen,permanganate index incoal mine water-Flow injection-spectrophotometry 
  Issued on: 2024-05-24   Price(USD): 210.0
NB/T 11532-2024 Determination of multiple elements (potassium, sodium, calcium, magnesium,chromium, copper, zinc, barium, strontium, iron, aluminum, gallium, nickel,vanadium, germanium, boron, phosphorus, titanium, manganese) content incoal mine water by inductively coupled plasma emission spectroscopy 
  Issued on: 2024-05-24   Price(USD): 165.0
NB/T 11533-2024 Determination of chloride,fluoride, bromide, sulfate, nitrate,nitrite and phosphate in coal mine water _on chromatography 
  Issued on: 2024-05-24   Price(USD): 135.0
NB/T 11534-2024 General technical requirements for mining voltage and current sensors 
  Issued on: 2024-05-24   Price(USD): 345.0
NB/T 11535-2024 Test method of rebound rate of shotcrete 
  Issued on: 2024-05-24   Price(USD): 255.0
NB/T 11536-2024 Technical Specification for Underground Grouting and ReinforcementRetrofitting of Floor of mining above confined aquifer in Coal Mines 
  Issued on: 2024-05-24   Price(USD): 210.0
NB/T 11537-2024 Code for detection and inspection of railcars in use in coal mines 
  Issued on: 2024-05-24   Price(USD): 210.0
NB/T 11538-2024 The determination method of hydrogen sulfide content in coal seams 
  Issued on: 2024-05-24   Price(USD): 330.0
NB/T 11539-2024 General technical requirements for mining level sensors 
  Issued on: 2024-05-24   Price(USD): 255.0
NB/T 11540-2024 Methods for the determination of coal and rock abrasion resistance 
  Issued on: 2024-05-24   Price(USD): 135.0
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