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GB/T 5289.2-2021
Test conditions for testing the accuracy of boring and milling machines with horizontal spindle—Part 2：Machines with movable column and fixed table
GB/T 41134.2-2021
Fuel cell power systems for industrial electric trucks—Part 2: Performance test methods
GB/T 41134.1-2021
Fuel cell power systems for industrial electric trucks—Part 1: Safety
GB/T 41068-2021
Nanotechnologies—Determination of water-soluble anions content in graphene powder—Ion chromatography method
GB/T 41067-2021
Nanotechnologies—Determination of sulfur, fluorine, chlorine and bromine content in graphene flakes—Combustion ion chromatography method
GB/T 41142-2021
Hardware design requirements of computer-based instrumentation and control systems important to safety for nuclear power plants
GB/T 5204-2021
Periodic surveillance testing of the safety system of nuclear power plant
GB/T 13627-2021
Criteria for accident monitoring instrumentation for nuclear power plants
GB/T 13626-2021
Application of the single-failure criterion for nuclear power plant safety systems
GB/T 41143-2021
Glossary of terms of instrumentation and control for nuclear power plants
GB/T 13286-2021
Criteria for independence of class 1E equipment and circuits in nuclear power plants
GB/T 41145-2021
Human factors verification and validation for nuclear power plants
GB/T 11807-2021
Characteristics，design and operational procedures for acoustic monitoring systems of loose parts detection important to safety in nuclear power plants
GB/T 41218-2021
Bank branches—Specification for accessibility environment construction
GB/T 25364.2-2021
Turbocharger seal rings—Part 2:Inspection measuring principles
GB/T 25364.1-2021
Turbocharger seal rings—Part 1:General specifications
GB/T 17215.691-2021
Electricity metering data exchange—The DLMS/COSEM suite—Part 91: Communication profile using web-services to access a DLMS/COSEM server via a COSEM Access Service (CAS)
GB/T 17215.673-2021
Electricity metering data exchange—The DLMS/COSEM suite—Part 73: Wired and wireless M-Bus communication profiles for local and neighbourhood networks
GB/T 17215.647-2021
Electricity metering data exchange—The DLMS/COSEM suite—Part 47: DLMS/COSEM transport layer for IP networks
GB/T 20629.4-2021
Non-cellulosic papers for electrical purposes—Part 4：Aramid fibre paper containing mica particles
