DZ 5-1981
General technical requirements for copper castings of geological machinery products (English Version)
- Standard No.
- DZ 5-1981
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Geology
- Latest
- DZ 5-1981
- Scope
- This standard is applicable to general copper castings for geological machinery cast in sand molds and metal molds, but not to copper castings for instrument manufacturing.
DZ 5-1981 history
- 1970 DZ 5-1981 General technical requirements for copper castings of geological machinery products
