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gb+3100-1993
gb+3100-1993, Total:2 items.
In the international standard classification, gb+3100-1993 involves: Quantities and units.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, gb+3100-1993
- GB 3100-1993 SI units and recommendations for the use of their multiples and of certain other units
Professional Standard - Chemical Industry, gb+3100-1993