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Standard Insuued on: 2003-09

SL 291-2003    Code of practice in drilling for water resources and hydropower engineering
水利水电工程钻探规程 SL 291-2003
Category No.:SL Valid Status:superseded
Issued Organization:Ministry of Water Resources Issued Date:2003-09-27
Implemented Date:2004-1-1 Abolished Date:
Superseded Standard.:SL/T 291-2020
Superseded Date:2021-2-28
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DB37/T 381-2003   GB/T 11699-2003   GB 9676-2003   GB 15202-2003   GB/T 19065-2003   GB 14974-2003   GB 17402-1998   GB 15193.6-2003   GB 11671-2003   GB 19301-2003   GB 11673-2003   GB 15193.10-2003   GB 5420-2003   GB 19286-2003   GB 2759.2-2003   GB 17324-2003   GB 2759.1-2003   GB 15193.18-2003   GB 15193.5-2003   GB 16321-2003  

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