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Sulphur for industrial use. Determination of ash at 850-900 degrees C and of residue at 200 degrees C
Document status: Active
Copper and complex ores, and products of their processing. Methods of measurement of gold and silver weight fraction
Document status: Replaced by GOST R 56859-2022
Breathing apparatus of tank for petroleum products. Specifications
Document status: Active
Gas analyzers. Dimensions for threaded joints and hose couplings
Document status: Active