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4331+ standards in database

4331 result(s) found

GB/T 25890.1-2026 即将实施

轨道交通 地面装置 直流开关设备 第1部分:总则

Railway applications—Fixed installations—DC switchgear—Part 1:General

ICS: 29.280
2026-08-01
GB/T 8554-2026 即将实施

电子和通信设备用变压器和电感器 测试方法和试验程序

Transformers and inductors for use in electronic and telecommunication equipment—Measuring methods and test procedures

ICS: 29.100.10
2026-08-01
GB/T 47117-2026 即将实施

主动磁悬浮轴承定子检测方法

Inspection methods for active magnetic bearing stators

ICS: 29.100.99
2026-08-01
GB/T 25890.5-2026 即将实施

轨道交通 地面装置 直流开关设备 第5部分:直流成套开关设备

Railway applications—Fixed installations—DC switchgear—Part 5: DC switchgear assemblies

ICS: 29.280
2026-08-01
GB/T 25890.3-2026 即将实施

轨道交通 地面装置 直流开关设备 第3部分:户内直流隔离开关、负荷开关和接地开关

Railway applications—Fixed installations—DC switchgear—Part 3: Indoor d.c. disconnectors, switch-disconnectors and earthing switches

ICS: 29.280
2026-08-01
GB/T 25890.2-2026 即将实施

轨道交通 地面装置 直流开关设备 第2部分:直流断路器

Railway applications—Fixed installations—DC switchgear—Part 2:DC circuit breakers

ICS: 29.280
2026-08-01
GB/T 28427-2026 即将实施

电气化铁路电缆 27.5kV单相交流电力电缆及附件

Cables for electrified railway—27.5 kV single-phase AC power cables and cable accessories

ICS: 29.280
2026-08-01
GB/T 25890.4-2026 即将实施

轨道交通 地面装置 直流开关设备 第4部分:户外直流隔离开关、负荷开关和接地开关

Railway applications—Fixed installations—DC switchgear—Part 4: Outdoor d.c. disconnectors, switch-disconnectors and earthing switches

ICS: 29.280
2026-08-01
GB/T 26071-2026 即将实施

太阳能电池用硅单晶及硅单晶片

Monocrystalline silicon and wafers for solar cells

ICS: 29.045
2026-08-01
GB/T 35305-2026 即将实施

太阳能电池用砷化镓单晶及抛光片

Gallium arsenide monocrystalline and monocrystalline polished wafers for solar cell

ICS: 29.045
2026-08-01
GB/T 47097-2026 即将实施

氮化铝单晶抛光片

Polished monocrystalline aluminum nitride wafers

ICS: 29.045
2026-08-01
GB/T 47024.1-2026 Active

高原电工产品特殊试验方法 第1部分:工频/谐波复合电流

Special test methods for electrical equipment at high altitudes—Part 1: AC/harmonic combined current

ICS: 29.020
2026-05-01
GB/T 42558.6-2026 Active

高原用换流站电气设备抗震技术 第6部分:地震监测系统技术规范

Seismic techniques of electrical equipment in converter station on plateau—Part 6: Technical specification for seismic monitoring system

ICS: 29.020
2026-05-01
GB/T 42558.5-2026 Active

高原用换流站电气设备抗震技术 第5部分:设备运维导则

Seismic techniques of electrical equipment in converter station on plateau—Part 5: Directives for equipment maintenance

ICS: 29.020
2026-05-01
GB/T 32580.5-2026 即将实施

轨道交通 地面装置 高压交流开关设备及互感器 第5部分:27.5kV和2×27.5kV金属封闭开关设备和控制设备

Railway applications—Fixed installations—AC high voltage switchgear and instrument transformers—Part 5: 27.5 kV and 2×27.5 kV metal-enclosed switchgear and controlgear

ICS: 29.280
2026-08-01
GB/T 47029-2026 即将实施

超级电容器电极片物理性能测试方法

Test method for physical properties of supercapacitor electrode

ICS: 29.220.99
2026-08-01
GB/T 47030-2026 即将实施

双电层单体超级电容器型号规格系列

Model and specification series of electric double-layer single supercapacitors

ICS: 29.220
2026-08-01
GB/T 22390.6-2026 即将实施

高压直流输电系统控制与保护设备 第6部分:换流站暂态故障录波装置

Control and protection equipment of high-voltage direct current (HVDC) transmission system—Part 6: Converter station transient fault oscillograph device

ICS: 29.240.01
2026-08-01
GB/T 22390.5-2026 即将实施

高压直流输电系统控制与保护设备 第5部分:直流线路故障定位装置

Control and protection equipment of high-voltage direct current (HVDC) transmission system—Part 5: DC line fault location device

ICS: 29.240.01
2026-08-01
GB/T 46973-2026 即将实施

微波无源器件用高温超导薄膜技术规范

Technical specifications for high temperature superconducting thin films of microwave passive devices

ICS: 29.050;31.030
2026-08-01
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