DZ 7-1981
General technical requirements for assembly of geological machinery products (English Version)
- Standard No.
- DZ 7-1981
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Geology
- Latest
- DZ 7-1981
- Scope
- This standard applies to geological machinery assembly and acceptance. All product drawings or technical documents without special requirements shall comply with this standard.
DZ 7-1981 history
- 1970 DZ 7-1981 General technical requirements for assembly of geological machinery products
