T/DDBYSXH 004-2021 Abolished Group standards

T/DDBYSXH 004-2021 Identification of Ivory White Jade

T/DDBYSXH 004-2021

Publish Date: 2021-10-08 Implement Date: 2021-10-27 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 004-2021

Standard Type: Group standards

Standard Status: Abolished

is_force_gb: no

CCS Name: Freshwater aquaculture and its products

ICS Name: Jewelry

Publish Date: 2021-10-08

Implement Date: 2021-10-27

Scope

Main technical content: This document specifies the terminology and definitions of ivory white jade, rock names, identification characteristics and methods, naming principles, weighing, jewelry marking, and identification certificates. This document is applicable to the identification of ivory white jade raw materials and finished products.