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GB/T 12486-1990 Food Additives. Modified soy lecithin 
  Issued on:   Price(USD):
GB/T 12481-1990 Rain proof performance limit for buses 
  Issued on:   Price(USD):
GB/T 12445-1990 Method of calculating energy seved in industrial enterprise 
  Issued on:   Price(USD):
GB/T 12445.3-1990 High strength alloys--Method of stress corrosion test for pre-cracked wedge-open loading (WOL) specimens 
  Issued on:   Price(USD):
GB/T 12404-1990 Coding for subordination of organization 
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GB/T 12429-1990 The quality requirement and test method for the carbon-dioxide arc welding of coach-body 
  Issued on:   Price(USD):
GB/T 12386-1990 Pressure-temperature ratings for ductile cast iron pipe flanges 
  Issued on:   Price(USD):
GB/T 12381.5-1990 Hubbed screwed ductile iron pipe flanges with raised face for PN 5. 0 MPa (50bar) 
  Issued on:   Price(USD):
GB/T 12387-1990 Asbestos rubber gaskets for ductile iron pipe flanges with raised face 
  Issued on:   Price(USD):
GB/T 12384-1990 Specification for ductile iron pipe flanges 
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GB/T 12383.2-1990 Ductile iron pipe blank flanges with raised face for PN 1. 6 MPa (16bar) 
  Issued on:   Price(USD):
GB/T 12383.6-1990 Ductile iron pipe blank flanges with raised face for PN 5. 0 MPa (50bar) 
  Issued on:   Price(USD):
GB/T 12383.4-1990 Ductile iron pipe blank flanges with raised face for PN 2. 5 MPa (25bar) 
  Issued on:   Price(USD):
GB/T 12383.5-1990 Ductile iron pipe blank flanges with raised face for PN 4. 0 MPa (40bar) 
  Issued on:   Price(USD):
GB/T 12383.3-1990 Ductile iron pipe blank flanges with raised face for PN 2. 0 MPa (20bar) 
  Issued on:   Price(USD):
GB/T 12382.2-1990 Loose hubbed ductile iron pipe flandes with lapped pipe end for PN 5. 0 MPa (50bar) 
  Issued on:   Price(USD):
GB/T 12382.1-1990 Loose hubbed ductile iron pipe flanges with lapped pipe end for PN 2. 0 MPa (20bar) 
  Issued on:   Price(USD):
GB/T 12383.1-1990 Ductile iron pipe blank flanges with raised face for PN 1. 0 MPa (10bar) 
  Issued on:   Price(USD):
GB/T 12381.3-1990 Hubbed screwed ductile iron pipe flanges with raised face for PN 2. 5 MPa (25bar) 
  Issued on:   Price(USD):
GB/T 12381.1-1990 Hubbed screwed ductile iron pipe flanges with raised face for PN 1. 0 MPa (10bar), PN 1. 6 MPa (16bar) 
  Issued on:   Price(USD):
18994/19246
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