Повучен
The test methods described apply to all gold alloy coverings specified in ISO 3160-1 on watch cases and accessories, including bracelets when they are permanently attached to the case. The tests apply only to significant surfaces.
ПОВУЧЕН
ISO 3160-2:1982
ПОВУЧЕН
ISO 3160-2:1992
95.99
Повучен
12. 2. 2003.
ПОВУЧЕН
ISO 3160-2:2003