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  • SL 309-2007 Criteria for the evaluation of metrological certification of water quality inspection institutions
    SL 309-2007
  • SL 187-1996 Technical Specification for Water Sampling SL 187-96
    SL 187-1996
  • SL 213-1998 Regulations on the compilation of basic information codes for water conservancy projects SL 213-98
    SL 213-1998
  • SL 53-1994 Specification for Construction of Hydraulic Roller Compacted Concrete SL 53-94
    SL 53-1994
  • SL/T 4-1999 Technical Specification for Farmland Drainage Engineering SL/T 4-1999
    SL/T 4-1999
  • SL 171-1996 Dike Engineering Management Design Specification SL 171-96
    SL 171-1996
  • SL/T 225-1998 Technical specification for application of geosynthetics in water conservancy and hydropower engineering SL/T 225-98
    SL/T 225-1998
  • SL/T 231-1998 Technical specification for polyethylene (PE) geomembrane anti-seepage engineering SL/T 231-98
    SL/T 231-1998
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