BS 7031:1988

Specification for colours of gold alloys.

NORMA vydaná dňa 31.10.1988

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The information about the standard:

Designation standards: BS 7031:1988
Note: NEPLATNÁ
Publication date standards: 31.10.1988
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: British technical standard
Kategória: Technické normy BS