GB 6331-1986

Thickness testing method of the metal deposits and conversion coatings for the light industrial products--Magnetic method

NORMA vydaná dňa 1.1.1986

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The information about the standard:

Designation standards: GB 6331-1986
Note: NEPLATNÁ
Publication date standards: 1.1.1986
Country: Chinese technical standard
Kategória: Technické normy GB