gb3521
gb3521, Total:3 items.
The international standard classification for "gb3521" includes: Non-metalliferous minerals .
The Chinese standard classification for "gb3521" includes: Graphite material , Building material raw material ore .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 3521-2008 Method for chemical analysis of graphite
- GB/T 3521-2023 Methods for chemical analysis of graphite
- GB/T 3521-1995 Method for chemical analysis of graphite
