ISO 4280:1977现行
Cryolite, natural and artificial, and aluminium fluoride for industrial use - Determination of sulphate content - Barium sulphate gravimetric method
出版：International Organization for Standardization
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基本信息
标准编号： ISO 4280:1977
发布时间：1977/11/1 0:00:00
标准类别：Standard
出版单位：International Organization for Standardization
标准页数：3
等同采用的国际标准
BS 4993-8:1980 - Equivalent
BS 5050-11:1980 - Equivalent
NFT 20 161:1984 - Identical
NBN T 03 447:1983 - Identical
KS M ISO 4280:2003 - Identical
