DZ/T 0101.12-1994
Active
DZ 46-1987
Active
Industry standards-Geology
DZ 46-1987 The quality grading regulations for vertical-shaft geological core drilling machines
DZ 46-1987 The quality grading regulations for vertical-shaft geological core drilling machines
Basic Information
Standard Code:
DZ 46-1987
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
1987-02-14
Implement Date:
1987-07-01
Publisher:
The Ministry of Geology and Mineral Resources of the People's Republic of China
Pages:
8 pages
Development Information
Drafting Units:
Geotechnical and Economic Research Center Standardization Department, Zhangjiakou Prospecting Machinery Factory
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