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Standard Insuued on: 1993-04 |
Category No.: | GB | Valid Status: | superseded |
Issued Organization: | CSBTS | Issued Date: | 1993-04-02 |
Implemented Date: | 1993-11-1 | Abolished Date: | 2006-10-01 |
Superseded Standard.: | GB/T 20257.2-2006 Cartographic symbols for national fundamental scale maps -- Part 2: Specifications for cartographic symbols 1:5000 & 1:10000 topographic maps |
Superseded Date: | 2006-10-1 |
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