BS 6820:1987

Method for measuring and designating the size of rings used in jewellery.

NORM herausgegeben am 1.9.1987

Englisch -
PDF - sofortiges Download (156.00 EUR)

The information about the standard:

Designation standards: BS 6820:1987
Note: UNGÜLTIG
Publication date standards: 1.9.1987
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: British technical standard
Kategorie: Technische Normen BS