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GB/T 12937-1995
GB/T 12937-1995 Terms relating to coal petrology
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Replaced |
| Standard Code | GB/T 12937-1995 |
| CCS | \nCoal rock |
| ICS | \nCoal |
| Implement Date | 1996-02-01 |
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