DB53/T 438-2012
Jade Jewelry Quality Grade Evaluation Standard Sample (English Version)

Standard No.

DB53/T 438-2012

Language

Chinese, Available in English version

Release Date

2012

Published By

Yunnan Provincial Standard of the People's Republic of China

Latest

DB53/T 438-2012

Scope

This standard specifies the terms and definitions of jade jewelry quality grade evaluation standards, quality grade evaluation methods and requirements. This standard is applicable to the quality grade evaluation of color, transparency and texture of jade jewelry using jade jewelry quality grade evaluation standard samples.

DB53/T 438-2012 history

• 2012 DB53/T 438-2012 Jade Jewelry Quality Grade Evaluation Standard Sample