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GB/T 19223-2003 Classification of coal mine water 
  Issued on: 2003-07-01   Price(USD): 264.0
GB/T 15223-1994 Plastics-Liquid resins-Determination of density by the pyknometer method 
  Issued on: 1994-09-24   Price(USD): 184.0
GB/T 14223-1993 Internal combustion engines-Piston rings-Keystone rings and half keystone rings 
  Issued on: 1993-03-03   Price(USD): 490.0
GB/T 12239-1989 General purpose industrial valves-Diaphragm valves 
  Issued on: 1990-01-04   Price(USD): 150.0
GB/T 12238-1989 General purpose industrial valve-Flonged and wafer butterfly valves 
  Issued on: 1990-01-04   Price(USD): 180.0
DB14/T 1699-2018  
  Issued on: 2018-07-30   Price(USD):
GB/T 12237-2007 Stell ball valves for petroleum petrochemical and allied industries 
  Issued on: 2007-4-18   Price(USD): 120.0
GB/T 12237-1989 General purpose industrial valves-Flanged and butt-weld end steel ball valves 
  Issued on: 1990-01-04   Price(USD): 415.0
GB/T 12233-1989 General purpose industrial valves-Casting iron globe valves and lift check valves 
  Issued on: 1990-01-04   Price(USD): 130.0
GB/T 12234-1989 General purpose industrial valves-Flanged and butt-weld steel gate valves 
  Issued on: 1990-01-04   Price(USD): 180.0
GB/T 12230-1989 General purpose industrial valves-Specification of austenitic steel castings 
  Issued on: 1990-01-04   Price(USD): 180.0
GB/T 16907-1997 Technical specifications for centrifugal pumps - Class I  
  Issued on: 1997-7-4   Price(USD): 900.0
GB/T 14794-1993 Steam reciprocating pump 
  Issued on: 2002-04-09   Price(USD): 220.0
DB5305/T 2.2-2019  
  Issued on: 2019-10-30   Price(USD):
SL 106-1996 Design criterion of reservoir management 
  Issued on: 1996-08-26   Price(USD): 240.0
SL 1-2002 Specification for the drafting of technical standards of water resources 
  Issued on: 2003-1-15   Price(USD): 330.0
SL 06-1989  
  Issued on:   Price(USD):
SL 104-1995 Regulation for water conservancy computation of water projects 
  Issued on: 1995-12-8   Price(USD): 810.0
GB/T 17937-2009 Aluminium-clad steel wires for electrical purposes 
  Issued on: 2009-3-19   Price(USD): 240.0
GB/T 17948.1-2000 Rotating electrical machines - Functional evaluation of insulation systems - Test procedures for wire-wound windings - Thermal evaluation and classification 
  Issued on: 2000-1-3   Price(USD): 285.0
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