GB 4581.2-1984

Alunite ores--Analytical samples--The methods of the sampling and preparation

NORMA vydána dne 1.1.1984

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The information about the standard:

Designation standards: GB 4581.2-1984
Note: NEPLATNÁ
Publication date standards: 1.1.1984
Country: Chinese technical standard
Kategorie: Technické normy GB