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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... CEN EN 24938 Steel and Iron - Determination of Nickel Content - Gravimetric or Titrimetric M... CEN EN 24946 Steel and cast iron - Determination of copper content 2,2' diquinolyl spectroph... CEN EN 24943 Steel and cast iron - Determination of copper content - Flame atomic absorption... CEN EN 27787 Dentistry - Dental Rotary Instruments - Cutters - Part 1: Steel Laboratory Cutt... CNIS GB/T 12229-89 General purpose industrial valves--Specification of carbon steel castings CNIS GB/T 12237-89 General purpose industrial valves--Flanged and butt-weld end steel ball valves CNIS GB/T 12236-89 General purpose industrial valves--Steel swing check valves CNIS GB/T 12235-89 General purpose industrial valves--Flanged steel globe valves and lift check va... COE REMR-CS-23 FINAL REPORT EVALUATION OF POLYESTER RESIN, EPOXY, AND CEMENT GROUTS FOR EMBEDDING RE... CEN EN 24937 Steel and Iron - Determination of Chromium Content - Potentiometric or Visual M...