YB 4049-1991 Replaced Industry standards-Black metallurgy

YB 4049-1991 Praseodymium-neodymium oxide concentrates

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 4049-1991

Standard Type: Industry standards

Standard Status: Replaced

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 1991-05-04

Implement Date: 1992-01-01

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

Pages: 4 pages

Development Information

Drafting Units:

Jiangxi Xunmu Rare Earth Industry Company

Drafting Persons:

Wu Mingquan

Word Count: 4 Thousand words Pages: 4 pages

Replace the following standards

YB H65 004-1990

Referenced Standards

YB 1509

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