2025-12-16 10.1.14.108
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GB/T 28742-2025 Technical specification for safety of sewage treatment equipment 
  Issued on: 2025-12-2   Price(USD):
GB/T 28743-2025 Sewage treatment vessel equipment—General technical requirements 
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GB/T 28815-2025 Technical requirements for master station of real-time dynamic monitoring system of power system 
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GB/T 29061-2025 Performance films for glass in building 
  Issued on: 2025-12-2   Price(USD):
GB/T 30788-2025 Corrosion controlling technology of steel pipelines covered by cold-applied petrolatum tape 
  Issued on: 2025-12-2   Price(USD):
GB/T 29484.503-2025 Electrical installations in ships—Part 503: Special features—AC supply systems with voltages in the range of above 1 kV up to and including 36 kV 
  Issued on: 2025-12-2   Price(USD):
GB/T 30064-2025 Metallic materials—Method of constraint loss correction of CTOD fracture toughness for fracture assessment of steel components 
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GB/T 31405-2025 Test method for cathodic disbonding of pipeline protection coatings subjected to elevated temperatures 
  Issued on: 2025-12-2   Price(USD):
GB/T 30924.1-2025 Plastics—Ethylene-vinyl acetate(EVAC) moulding and extrusion materials—Part 1:Designation system and basis for specifications 
  Issued on: 2025-12-2   Price(USD):
GB/T 30921.6-2025 Test methods of purified terephthalic acid (PTA) for industrial use—Part 6:Determination of particle size distribution 
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GB/T 30921.5-2025 Test methods of purified terephthalic acid (PTA) for industrial use—Part 5：Determination of acid number 
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GB/T 31817-2025 Specification of coating for corrosion protection of windpower equipment 
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GB/T 31703-2025 Ceramic ball bearings—Silicon nitride balls 
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GB/T 31590-2025 Analytical method of chemical composition for flue gas DeNOx catalysts 
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GB/T 31590-2015E Analytical method of chemical composition of flue gas DeNOx catalysts 
  Issued on: 2015-06-02   Price(USD): 225.0
GB/T 31703-2015E Ceramic ball bearings—Silicon nitride balls 
  Issued on: 2015-06-02   Price(USD): 255.0
GB/T 32857-2025 Application directives for layer of protection analysis（LOPA） 
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GB/T 33018-2025 Technical requirements for relaying protection of photovoltaic power station 
  Issued on: 2025-12-2   Price(USD):
GB/T 33097-2025 Elastic insulating suspension component 
  Issued on: 2025-12-2   Price(USD):
GB/T 33047.1-2025 Plastics—Thermogravimetry (TG) of polymers—Part 1: General principles 
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