metal polysulfides
metal polysulfides, Total:2 items.
The international standard classification for "metal polysulfides" includes: Geology. Meteorology. Hydrology .
The Chinese standard classification for "metal polysulfides" includes: Oceanology .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 42637-2023 Specification for oceanic polymetallic sulfide resources survey
Group Standards of the People's Republic of China
- T/CAOE 12-2018 Technical specification for exploration of oceanic polymetallic sulphide resources
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