DZ 12-1982
Reciprocating mud pump parts for geological core drilling (English Version)
- Standard No.
- DZ 12-1982
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Geology
- Latest
- DZ 12-1982
- Scope
- This standard applies to small-end copper bushings of connecting rods for reciprocating mud pumps used in geological core drilling.
DZ 12-1982 history
- 1970 DZ 12-1982 Reciprocating mud pump parts for geological core drilling
