polymetallic
polymetallic, Total:3 items.
The international standard classification for "polymetallic" includes: Geology. Meteorology. Hydrology , Other metalliferous minerals .
The Chinese standard classification for "polymetallic" includes: Analysis methods for substances in ocean , Metal ore survey .
Group Standards of the People's Republic of China
- T/CAOE 40-2021 Technical guidelines for subsea polymetallic nodules mining system
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 20259-2006 Chemical analysis methods for marine polymetallic nodules
- GB/T 17229-1998 The expertise for oceanic polymetallic nodules survey
