DB50/T 690-2016
Technical specification for identification of golden pearls (English Version)

Standard No.

DB50/T 690-2016

Language

Chinese, Available in English version

Release Date

2016

Published By

Chongqing Provincial Standard of the People's Republic of China

Latest

DB50/T 690-2016

Scope

This standard applies to the identification of gold pearls and jewelry.

DB50/T 690-2016 history

• 2016 DB50/T 690-2016 Technical specification for identification of golden pearls