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GB/T 11064.2-2023
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride—Part 2:Determination of lithium hydroxide content—Acid-alkali titrimetric method
GB/T 3622-2023
Titanium and titanium alloy strip and foil
GB/T 7233.2-2023
Steel castings—Ultrasonic testing—Part 2:Steel castings for highly stressed components
GB/T 5680-2023
Austenitic manganese steel castings
GB/T 42515-2023
Metallic powders—Determination of acid-insoluble content in iron, copper, tin and bronze powders
GB/T 42511-2023
Hardmetals—Determination of calcium,copper,iron,potassium,magnesium,manganese,sodium,nickel and zinc in cobalt metal powders—Flame atomic absorption spectrometric method
GB/T 20509-2023
Copper and copper alloys drawing for contacting materials of electric locomotives
GB/T 25951-2023
Nickel and nickel alloys—Terms and definitions
GB/T 26656-2023
Metallographic test for compacted (vermicular) graphite cast irons
GB/T 8152.11-2023
Methods for chemical analysis of lead concentrates—Part 11: Determination of mercury content—Atomic fluorescence spectrometry and direct mercury determining with solid injection method
GB/T 27671-2023
Copper profiles for electrical purposes
GB/T 42541-2023
Coated steel pipes for gas piping
GB/T 20078-2023
Copper and copper alloys—Forgings
GB/T 15114-2023
Aluminum alloy die castings
GB/T 26416.9-2023
Chemical analysis methods for rare earth ferroalloy—Part 9：Determination of phosphorus content—Bismuth phosphomolybdate blue spectrophotometry
GB/T 26416.8-2023
Chemical analysis methods for rare earth ferroalloy—Part 8: Determination of silicon content—Spectrophotometry
GB/T 26416.7-2023
Chemical analysis methods for rare earth ferroalloy—Part 7: Determination of carbon and sulfur contents—High frequency - infrared absorption method
GB/T 8151.25-2023
Methods for chemical analysis of zinc concentrates—Part 25:Determination of indium content—Flame atomic absorption spectrometry
GB/T 41754-2023
Duplex stainless steel plate used for nuclear power plants
GB/T 42512-2023
Copper alloy seamless coil tube for sheath