T/DDBYSXH 001-2020 Active Group standards

T/DDBYSXH 001-2020 Jade Stone Identification

Publish Date: 2020-09-01 Implement Date: 2020-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/DDBYSXH 001-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Non-ferrous metal mines

ICS Name: Jewelry

Publish Date: 2020-09-01

Implement Date: 2020-10-01

Scope

Main technical content: This standard specifies the terms and definitions of Yushu stone, identification standards, identification methods, naming principles, weighing, jewelry identification and identification certificates. This standard is applicable to the identification of Yushu stone raw materials and finished products