
Jewellery - Ring-sizes - Definition, measurement and designation
出版:International Organization for Standardization

專家解讀視頻
This International Standard specifies a method to measure the ring-size using a ring stick with defined characteristics, which is mainly used during manufacturing steps, and specifies the designation of the ring-size.
BS 6820(1987) : 1987 - Identical
PN EN 28653 : 1996 - Identical
DS ISO 8653 : 1993 - Identical
NS ISO 8653 : 1ED 1993 - Identical
NEN ISO 8653 : 1993 - Identical
EN 28653 : 1992 - Identical