YB 4025-1991 Abolished Industry standards-Black metallurgy

YB 4025-1991 Nitride phosphor semi-metal (Nb-phosphor semi-metal)

Publish Date: 1991-05-04 Implement Date: 1992-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: YB 4025-1991

Standard Type: Industry standards

Standard Status: Abolished

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 1991-05-04

Implement Date: 1992-01-01

Publisher: The Ministry of Metallurgy Industry of the People's Republic of China

Pages: 4 pages

Development Information

Drafting Units:

Bao'an Iron and Steel Rare Earth Company

Drafting Persons:

Li Xinhua, Tong Gang, and Tao Guiru

Word Count: 4 Thousand words Pages: 4 pages

Referenced Standards

GB/T 719-1984 Pig iron—Sampling for chemical analysis

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