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GB/T 25774.1-2023
焊接材料的检验 第1部分: 钢、镍及镍合金熔敷金属力学性能试样的制备
Test methods for welding consumables—Part 1: Preparation of deposited metal test pieces and specimens for mechanical properties in steel,nickel and nickel alloys
GB/T 42661-2023
Corrosion of metals and alloys—Test method for determining susceptibility to stress corrosion of steel reinforcement in simulated marine environment
GB/T 22638.11-2023
Test methods for aluminum and aluminum alloy foils—Part 11: Determination of mechanical properties
GB/T 42664-2023
Non-destructive testing of steel tubes—Automated ultrasonic testing of the weld seam of welded steel tubes for the detection of longitudinal and/or transverse imperfections
GB/T 43274-2023
Mineral soil amendments—Determination of total calcium and magnesium content
GB/T 43081-2023
Lamps and light sources for road vehicles—Dimensional, electrical and luminous requirements
GB/T 4893.4-2023
Test of surface coating of furniture—Part 4:Determination of adhesion by cross-cut