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CNIS GB/T 12755-91 Roll-profiled steel sheet for building CNIS GB/T 12754-91 Coloured paint coat steel plates and strips CNIS GB/T 716-91 Cold-rolled carbon structural steel strips CNIS GB/T 3275-91 Hot-rolled quality carbon structural steel plates andstrips for automobile CNIS GB/T 12773-91 Valve steel bars for internal combustion engines--Technical requirements CNIS GB/T 12770-91 Welded stainless steel tubes for machine structure CNIS GB/T 12771-91 Welded stainless steel pipes for liquid delivery CNIS GB/T 12718-91 High-tensile steel chains (round link) for mining CEN EN 10205 Cold Reduced Blackplate in Coil Form for the Production of Tinplate or Electrol... CENELEC EN 50068 Wrought Steel Enclosures for Gas-Filled High- Voltage Switchgear and Controlgea... CNIS GB/T 12612-90 General specification for multifunctional solution of steel and iron surface tr... CNIS GB/T 12606-90 Magnetic leakage flux testing method of steel tubes and bars CNIS GB/T 12605-90 Methods of radiographic inspection and quality classification of circumferentia... CSA W186-M1990 Welding of Reinforcing Bars in Reinforced Concrete Construction - General Instruction N... CNIS GB/T 12470-90 Fluxes for the submerged arc welding of low alloy steel CNIS GB/T 12469-90 Quality assurance of welding--Requirement for fusion welding joint of steel and... CNIS GB/T 12459-90 Steel butt-welding seamless pipe fittings CNIS GB/T 12418-90 The technical requirements of repairs for steel general purpose containers CNIS GB/T 12361-90 General specification of steel die forgings CNIS GB/T 12362-90 Tolerances and machining allowances of steel die forgings CNIS GB 12337-90 Steel spherical tanks CSA M430-90-CAN/CSA Roof and Rock Bolts, and Accessories - First Edition; General Instruction No 1 CEN EN 24829 PART 1 CORRIGENDUM Steel and Cast Iron - Determination of Total Silicon Content... CEN EN 24829 PART 2 CORRIGENDUM Steel and Cast Iron - Determination of Total Silicon Content...