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GB/T 41872-2022
Heat exchanger for refrigerating systems and heat pumps—Performance test and evaluation method based on three-field synergy of temperature, pressure and velocity fields
GB/T 41993-2022
Sound signalling devices for household and similar purposes
GB/T 41922-2022
Specification for abnormal data transmission interface and communication protocols of stage equipment
GB/T 41779-2022
Test methods of energy efficiency for high performance computer system
GB/T 25361.1-2022
Internal combustion engines—Piston pins—Part 1: General specifications
GB/T 21404-2022
Internal combustion engines—Determination and method for the measurement of engines power—General requirements
GB/T 8190.6-2022
Reciprocating internal combustion engines—Exhaust emission measurement—Part 6: Report of measuring results and test
GB/T 41824-2022
Quality management specification of metallic materials for items important to safety in nuclear power plants
GB/T 41717-2022
Terminology of ageing management and life management for nuclear power plants
GB/T 41873-2022
Plastics—Polyetheretherketone(PEEK) resin
GB/T 42064-2022
Equipment for general lighting purposes—Flicker characteristics—Test method applying light flickermeter
GB/T 41757-2022
Hexafluoropropylene oxide
GB/T 25080-2022
Specification for niobium-titanium alloy billets and bars for superconducting applications
GB/T 1038.2-2022
Plastics—Film and sheeting—Determination of gas-transmission rate—Part 2:Equal-pressure methods
GB/T 1038.1-2022
Plastics—Film and sheeting—Determination of gas-transmission rate—Part 1:Differential-pressure methods
GB/T 41792-2022
Plastics—Film and sheeting—Determination of cold-crack temperature
GB/T 40905.2-2022
Textiles—Quantitative analysis of cashmere, wool, other specialty animal fibres and their blends—Part 2: Scanning electron microscopy method
GB/T 41791-2022
Plastics—Film and sheeting—Non-oriented poly(ethylene terephthalate) (PET) sheets
GB/T 39380.2-2022
Chlorinated poly (vinyl chloride ) (PVC-C) piping system for fire sprinkler installations—Part 2：Fittings
GB/T 28567-2022
Technical requirements for special equipment of electric wire and cable
