CSA C22.2 NO 12-1982 Portable Luminaires - Fourth Edition; General Instruction No 1-5 CNIS GB/T 2843-81 The method of tempered glass impact test(227g steel ball test) CNIS GB/T 2826-81 Tie-plates--Technical requirements for 38kg/m to 50kg/m steel rails CNIS GB 2585-81 Technical requirements for 38kg/m to 50kg/m steel rails for railway CNIS GB/T 223.2-81 Determination of sulphur content in iron,steel and alloy CNIS GB/T 223.1-81 Determination of carbon content in iron,steel and alloy CNIS GB/T 2517-81 Continuously hot rolled steel sheets and strips for common structures CNIS GB/T 2519-81 Varieties of continuously hot rolled steel sheets and strips CNIS GB/T 2100-80 Stainless acid-resistant steel castings--Specifications CNIS GB/T 551-80 Anchor chain mooring swivel,cast steel CNIS GB/T 2029-80 Cast steel suction valve for seaward sluice CNIS GB/T 1979-80 Diagram of a low magnification texture blemish grading of structural steel CSA B376-M1980 Portable Containers for Gasoline and Other Petroleum Fuels - General Instruction No 1-3 CNIS GB/T 1954-80 Determination of the welding seam iron element content in chromium,nickel auste... CNIS GB/T 1814-79 Inspection method for steel work fractures CSA Z245.3-M1979 Low Strength Steel Line Pipe Smaller Than 457 mm in Diameter CNIS GB/T 221-79 Notations for markings of iron and steel products COE RPMAS 66120 CATHODIC PROTECTION OF STEEL WATER TANKS COE 8.5 NOTICE 7 STEEL WINDOWS COE RPMAS 38530 DOORS AND WINDOWS STAINLESS STEEL WINDOWS M & R BRONZE WINDOWS M &a... COE RPMAS 38510 DOORS AND WINDOWS STEEL WINDOWS M & R CNIS GB/T 586-76 Marine cast steel flanged check valves CNIS GB/T 585-76 Marine cast steel flanged shut-off check valve CNIS GB/T 584-76 Marine cast steel flanged shut-off valve