GB/T 46756-2025 Liquid helium-free dilution refrigerator

GB 151-1999 Tubular heat exchangers GB/T 151-2014 Heat exchangers GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB/T 4798.1-1986 Environmental conditions existing in the application of electric and electronic products—Storage GB/T 4798.1-2005 Environmental conditions existing in the application of electric and electronic products—Section 1:Storage GB/T 4798.1-2019 Classification of environmental conditions—Classification of groups of environmental parameters and their severities—Part 1:Storage GB 4824-2004 Industrial, scientific and medical(ISM) radio-frequency equipment—Electromagnetic disturbance characteristics—Limits and methods of measurement GB 4824-2013 Industrial,scientific and medical(ISM) radio-frequency equipment—Disturbance characteristics—Limits and methods of measurement GB 4824-2019 Industrial,scientific and medical equipment—Radio-frequency disturbance characteristics—Limits and methods of measurement GB 4824-2025 Industrial, scientific and medical equipment—Radio-frequency disturbance characteristics—Limits and methods of measurement GB 5013.3-1997 Rubber insulated cables of rated voltages up to and including 450/750V—Part 3:Heat resistant silicone insulated cables GB/T 5013.3-2008 Rubber insulated cables of rated voltages up to and including 450/750 V—Part 3:Heat resistant silicone insulated cables GB 9237-2001 Mechanical refrigerating systems used for cooling and heating-Safety requirements GB/T 9237-2017 Refrigerating systems and heat pumps—Safety and environmental requirements GB/T 9286-1998 Paints and varnishes—Cross cut test for films GB/T 9286-2021 Paints and varnishes—Cross-cut test GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product GB/T 17799.2-2003 Electromagnetic compatibility—Generic standards—Immunity for industrial environments GB/T 17799.2-2023 Electromagnetic compatibility—Generic standards—Part 2: Immunity standard for industrial environments GB/T 19022-2003 Measurement management systems—Requirements for measurement processes and measuring equipment GB/T 19022.2-2000 Quality assurance for measuring equipment—Part 2:Guidelines for control of measurement processes GB/T 2829-2025 Sampling procedures and tables for periodic inspection by attributes(Apply to inspection of process stability) GB/T 151-2026 Heat exchangers GB/Z 151-2026 Fire prevention measures on converters for high-voltage direct current(HVDC)systems,static var compensators(SVC)and flexible AC transmission systems(FACTS)and their valve halls