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GB 8943.4-1988 Pulp,paper and board - Determination of calcium and magnesium 
  Issued on: 1988-04-12   Price(USD): 75.0
GB/T 8943.4-2008 Paper boaed and pulp—Determination of calcium and magnesium 
  Issued on: 2008-01-04   Price(USD): 180.0
GB/T 13505-2007 Pure insulating pulp 
  Issued on: 1992-6-23   Price(USD): 120.0
GB/T 13505-1992 Pure insulating pulp 
  Issued on: 1992-06-23   Price(USD): 224.0
QB 593-1981  
  Issued on:   Price(USD):
GB/T 13506-1992 Bleached sulfite pulp 
  Issued on: 1992-06-23   Price(USD): 184.0
GB/T 13506-2008 Bleached sulfite pulp 
  Issued on: 2008-08-19   Price(USD): 100.0
QB 214-1973  
  Issued on:   Price(USD):
GB/T 1546-2004 Pulps - Determination of Kappa number 
  Issued on: 2004-3-15   Price(USD): 150.0
GB/T 1546-1989 Pulps―Determination of Kappa number 
  Issued on: 1989-02-22   Price(USD): 180.0
GB 8943.3-1988 Pulp paper and board - Determination of manganese 
  Issued on: 1988-04-12   Price(USD): 45.0
GB/T 8943.3-2008 Paper board and pulp—Determination of manganese 
  Issued on: 2008-01-04   Price(USD): 100.0
GB/T 1547-1989 Pulps―Determination of permanganate number 
  Issued on: 1989-02-22   Price(USD): 180.0
GB/T 1547-2004 Pulps - Determination of permanganate number 
  Issued on: 2004-3-15   Price(USD): 124.0
GB/T 8943.2-2008 Paper board and pulps—Determination of iron 
  Issued on: 2008-01-04   Price(USD): 100.0
JB/T 8937-2010 Wafer type check valve 
  Issued on: 2010-2-11   Price(USD): 170.0
JB/T 8937-2025  
  Issued on: 2025-03-03   Price(USD):
JB/T 8937-1999 Wafer type check valve 
  Issued on: 1999-07-12   Price(USD): 490.0
GB/T 12237-2007 Stell ball valves for petroleum petrochemical and allied industries 
  Issued on: 2007-4-18   Price(USD): 120.0
GB/T 12237-2021 Steel ball valves for petroleum, petrochemical and allied industries 
  Issued on: 2021-03-09   Price(USD): 315.0
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