
Cryolite, natural and artificial, and aluminium fluoride for industrial use; Determination of water content; Electrometric method
出版:International Organization for Standardization

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1ED 1976
BS 4993-5:1980 - Equivalent
BS 5050:1974 - Similar
BS 5050-9:1980 - Equivalent
NFT 20 161:1984 - Identical
NBN T 03 443:1983 - Identical
BS 4993-1:1974 - Similar
KS M ISO 3392:2010 - Identical