DZ/T 0417-2022
Specifications for after-sales service of jewelry and jade accessories (English Version)

Standard No.

DZ/T 0417-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

Professional Standard - Geology

Latest

DZ/T 0417-2022

DZ/T 0417-2022 history

• 2022 DZ/T 0417-2022 Specifications for after-sales service of jewelry and jade accessories