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Standard Insuued on: 1995-09 |
Category No.: | GB | Valid Status: | abolished |
Issued Organization: | STSB | Issued Date: | 1995-09-15 |
Implemented Date: | 1996-5-1 | Abolished Date: | 2007-12-01 |
Superseded Standard.: | GB/T 20257.1-2007 Cartographic symbols for national fundamental scale maps - Part 1: Specifications for cartographic symbols 1:500 1:1000& 1:2000 topographic maps |
Superseded Date: | 2007-12-1 |
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