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GB/T 11848.3-1999
Determination of extractable organic material in uranium ore concentrate
GB/T 11848.5-1999
Determination of carbonate in uranium ore concentrate by titration in non-aqueous solvent
GB/T 11848.10-1999
Determination of sulfur in uranium ore concentrate by combustion-iodometric titrimetry
GB/T 11848.12-1999
Determination of boron in uranium ore concentrate by spectrophotometry
GB/T 11914-1989
Water quality--Determination of thechemical oxyyen demand--Dichromate method
GB/T 12027-2004
Plastics--Film and sheeting--Determination of dimensional change on heating
GB/T 21945-2008
Numerical control sector gear shaping machines - Testing of the accuracy
GB/T 936-2008
Color display chromaticity coordinates of white balance point and its tolerance