GB 4178-1984

Sodium hydrosulphide for industrial use--Determination of the content of sodium hydrosulphide and sulphide

NORMA vydaná dňa 1.1.1984

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The information about the standard:

Designation standards: GB 4178-1984
Note: NEPLATNÁ
Publication date standards: 1.1.1984
Country: Chinese technical standard
Kategória: Technické normy GB