矿物和石油化验 042-389
Chinese
矿物和石油化验
English
Mineral and oil assaying
Spanish
Ensayo de minerales y petróleo
- Term ID
- 042-389
- Class
- 42
- Type
- Services
- Status
- Active · added, not since modified (A)
- Effective date
- 1991-04-02
- Version
- 07-1997