组合使用关键词、标准类型、状态与 ICS 分类，快速定位所需国家标准。
找到 4,341 条
GB/T 18380.31-2022
Tests on electric and optical fibre cables under fire conditions—Part 31: Test for vertical flame spread of vertically-mounted bunched wires or cables—Apparatus
GB/T 18380.13-2022
Tests on electric and optical fibre cables under fire conditions—Part 13:Test for vertical flame propagation for a single insulated wire or cable—Procedure for determination of flaming droplets/particles
GB/T 18380.12-2022
Tests on electric and optical fibre cables under fire conditions—Part 12:Test for vertical flame propagation for a single insulated wire or cable—Procedure for 1 kW pre-mixed flame
GB/T 18380.11-2022
Tests on electric and optical fibre cables under fire conditions—Part 11:Test for vertical flame propagation for a single insulated wire or cable—Apparatus
GB/T 41325-2022
Low density crystal originated pit polished monocrystalline silicon wafers for integrated circuit
GB/T 26069-2022
Annealed monocrystalline silicon wafers
GB/T 20230-2022
Indium phosphide single crystal
GB/T 20229-2022
Gallium phosphide single crystal
GB/T 24622-2022
Guidance on the measurement of hydrophobicity of insulator surfaces
GB/T 8446.3-2022
Heat sinks for power semiconductor devices—Part 3: Insulators and fasteners
GB/T 8446.1-2022
Heat sinks for power semiconductor devices—Part 1: Radiators
GB/T 17951-2022
Specification for magnetically hard materials
GB/T 41235-2022
Specification for interaction between internet of energy and energy storage system
GB/T 41236-2022
Specification for interaction between internet of energy and distributed resources
GB/T 15166.4-2021
High-voltage alternating-current fuses—Part 4：Fuse for exteanal protection of shunt capacitors
GB/T 21419-2021
Transformers, power supplies, reactors and similar products—EMC requirements
GB/T 14598.118-2021
Measuring relays and protection equipment—Part 118: Synchrophasor for power systems—Measurements
GB/T 14598.181-2021
Measuring relays and protection equipment—Part 181：Functional requirements for frequency protection
GB/T 41147-2021
Voltage sourced converter (VSC) valves for static synchronous compensator (STATCOM)—Electrical testing
GB/T 41135.2-2021
Current and voltage sensors or detectors, to be used for fault passage indication purposes—Part 2: System aspects