2024-11-21 3.133.157.133
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Code of China
Chinese National Standard List: Crude salt

QB 1680-1993  
  Issued on: 1993-03-28   Price(USD): 220.0
QB 1571-1992 Technical Specification for Labor Safety of the Well and Rock Salt Industry 
  Issued on: 1992-7-6   Price(USD): 180.0
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