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GB/T 5069.1-2001 Chemical analysis of magnesia and magnesiaalumina vrefractory materials-Gravimetric method for determination of loss on ignition 
  Issued on: 2001-01-02   Price(USD): 184.0
GB/T 5069.1-1985 Magnesite refractories--Determination of loss content on ignition--Gravimetric method 
  Issued on:   Price(USD): 184.0
JB/T 6446-2004 Vacuum valves 
  Issued on: 2004-10-20   Price(USD): 270.0
GB/T 5070.9-1985 Magnesite-chrome refractories--Determination of manganese oxide content--Atomic absorption spectrophotometric method 
  Issued on: 1985-04-17   Price(USD): 180.0
GB/T 5070.7-1985 Magnesite-chrome refractories--Determination of magnesium oxide content--CyDTA volumetric method 
  Issued on: 1985-04-17   Price(USD): 180.0
GB/T 5070.8-1985 Magnesite-chrome refractories--Determination of chromium oxide content--Ammonium ferrous sulfate volumetric method 
  Issued on: 1985-04-17   Price(USD): 180.0
GB/T 5070.6-1985 Magnesite-chrome refractories--Determination of calcium oxide content--EGTA volumetric method 
  Issued on: 1985-04-17   Price(USD): 180.0
GB/T 50838-2015 Technical code for urban utility tunnel engineering 
  Issued on: 2015-05-22   Price(USD):
JB/T 9427.2-1999 16mm Cinema to Graphy - Photographic Monophonic Sound Test Films - Technical Requirements 
  Issued on: 1999-08-06   Price(USD): 90.0
JB/T 9411-1999 Position and dimensions for issuing positive pictures and optical sound track of 16 mm motion-picture film 
  Issued on: 1999-08-06   Price(USD): 184.0
GB 9179-1988 Picture sizes for still cameras 
  Issued on:   Price(USD): 180.0
JB/T 9427.1-1999 35mmCinema to graphy--photographic monophonic sound test films -- Specifications 
  Issued on: 1999-8-6   Price(USD): 254.0
JB/T 9427.6-1999 16mm Projector Test Film Specification for Anamorphic Wide-screen Motion-picture 
  Issued on: 1999-08-06   Price(USD): 214.0
JB/T 9427.5-1999 35mm Projector test film specification for anamorphic wide-screen motion-picture 
  Issued on: 1999-08-06   Price(USD): 75.0
JB/T 9427.7-1999 35mm Projector Test Film Specification for Motion-picture Projection 
  Issued on: 1999-8-6   Price(USD): 90.0
ZB N 44002-1987  
  Issued on:   Price(USD):
JB/T 9427.8-1999 16mm Projector test film specification for motion-picture projection 
  Issued on: 1999-08-06   Price(USD): 75.0
GB 10245-1988 Test chart A3 for micrographics-reader/printers 
  Issued on:   Price(USD): 180.0
ZB N 44003-1987  
  Issued on:   Price(USD):
GB/T 13919-1992 cinematography - Magnetic sound test film - Technical specification 
  Issued on: 1992-1-2   Price(USD): 75.0
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