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CNIS GB/T 5677-85 Methods of radiographic testing and classification of radiographs for steel cas... CNIS GB/T 5615-85 The designations,definitions and symbols for heat treatment tempers of steel ca... CNIS GB/T 5617-85 Determination of effective depth of hardening after induction or flame hardenin... COE 8.5 NOTICE 12 STEEL WINDOWS COE 8.1A NOTICE 15 STEEL DOORS AND FRAMES CNIS GB/T 5312-85 Carbon steel seamless steel tubes for ship CNIS GB/T 5313-85 Steel plate with through-thickness characteristics CNIS GB/T 5293-85 Fluxes for the submerged arc welding of carbon steel CSA C22.2 NO 83-M1985 Electrical Metallic Tubing - Third Edition; General Instruction No 1 CNIS GB/T 223.42-85 Methods for chemical analysis of iron,steel and alloy--The anion-exchange separ... CNIS GB/T 5219-85 Chromium-vanadium spring steel wire CNIS GB/T 223.38-85 Methods for chemical analysis of iron,steel and alloy--The anion-exchange separ... CNIS GB/T 223.41-85 Methods for chemical analysis of iron,steel and alloy--The anion-exchange separ... CNIS GB/T 5221-85 Chromium-silicon spring steel wire CNIS GB/T 223.40-85 Methods for chemical analysis of iron,steel and alloy--The anion-exchange separ... CNIS GB/T 5218-85 Silicon-manganese spring steel wire CNIS GB/T 223.48-85 Methods for chemical analysis of iron,steel and alloy--The semixylenol orange p... CNIS GB/T 223.35-85 Methods for chemical analysis of iron,steel and alloy--The pulse heating inert ... CNIS GB/T 5222-85 Trapezed steel wire for spring washer CNIS GB/T 5212-85 Hot rolled silicon steel sheets for electrical grade CNIS GB/T 5216-85 Technical requirements for structural steel with specified hardenability bands COE CE-R-05.2 STEEL ROOF DECK COE CE-R-05.1 STRUCTURAL STEEL AND STEEL JOISTS COE CE-R-08.1 STEEL DOORS AND FRAMES