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Standard Insuued on: 2000-12 |
Category No.: | SL | Valid Status: | superseded |
Issued Organization: | Ministry of Water Resources | Issued Date: | 2000-12-12 |
Implemented Date: | 2000-12-30 | Abolished Date: | |
Superseded Standard.: | SL 257-2017 SL/T 257-2017 (Specifications for waterway survey) |
Superseded Date: | 2017-7-6 |
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