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4331+ standards in database
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电气绝缘系统(EIS) 液体和固体组件的热评定 第2部分:简化试验
Electrical insulation system(EIS)—Thermal evaluation of combined liquid and solid components—Part 2: Simplified test
电气绝缘系统(EIS) 液体和固体组件的热评定 第1部分:通用要求
Electrical insulation systems (EIS)—Thermal evaluaion of combined liquid and solid components—Part 1: General requiremnts
电气绝缘材料和系统 重复电压冲击下电气耐久性评定的通用方法
Electrical insulating materials and systems—General method of evaluation of electrical endurance under repetivive voltage impulses
额定电压72.5 kV 及以上刚性气体绝缘输电线路
Rigid gas-insulated transmission lines for rated voltage of 72.5kV and above
燃油加油站防爆安全技术 第1部分:燃油加油机防爆安全技术要求
Explosion protected safety technique of the petrol filling station—Part 1: Explosion protected safety technique requirements for fuel filling dispenser
电动助力车用阀控式铅酸蓄电池 第2部分:产品品种和规格
Valve-regulated lead-acid batteries for moped—Part 2: Kinds of products and specifications
电动助力车用阀控式铅酸蓄电池 第1部分:技术条件
Valve-regulated lead-acid batteries for moped—Part 1: Technical conditions
互感器试验导则 第2部分:电磁式电压互感器
Test guide for instrument transformers—Part 2: Inductive voltage transformers
爆炸性环境用气体探测器 第4部分:开放路径可燃气体探测器性能要求
Gas detectors for explosive atmospheres—Part 4:Performance requirements of open path detectors for flammable gases
爆炸性环境用气体探测器 第3部分:固定式气体探测系统功能安全指南
Gas detectors for explosive atmospheres—Part 3: Guidance on functional safety of fixed gas detection systems
爆炸性环境用气体探测器 第2部分:可燃气体和氧气探测器的选型、安装、使用和维护
Gas detectors for explosive atmospheres—Part 2:Selection,installation,use and maintenance of detectors for flammable gases and oxygen
爆炸性环境用气体探测器 第1部分:可燃气体探测器性能要求
Gas detectors for explosive atmospheres—Part 1: Performance requirements of detectors for flammable gases
电气绝缘系统 热评定规程 第4部分:评定和分级电气绝缘系统试验方法的选用导则
Electrical insulation systems—Procedures for thermal evaluation—Part 4: Selection of the appropriate test method for evaluation and classification of electrical insulation systems
爆炸性环境 电阻式伴热器 第2部分:设计、安装和维护指南
Explosive atmospheres—Electrical resistance traces heating—Part 2: Application guide for design,installation and maintenance
变压器、电抗器、电源装置及其组合的安全 第27部分:节能和其他目的用变压器和电源装置的特殊要求和试验
Safety of transformers,reactors,power supply units and combinations thereof—Part 27: Particular requirements and tests for transformers and power supply units all for saving energy and other purposes
变压器、电抗器、电源装置及其组合的安全 第16部分:医疗场所供电用隔离变压器的特殊要求和试验
Safety of transformers,reactors,power supply units and combinations thereof—Part 16: Particular requirements and tests for isolating transformers for the supply of medical locations
低压电涌保护器元件 第312部分: 气体放电管( GDT )的选择和使用导则
Components for low-voltage surge protective devices—Part 312: Selection and application principles for gas discharge tubes(GDT)
数字通信用对绞或星绞多芯对称电缆 第8部分:具有1200MHz及以下传输特性的对绞或星绞对称电缆 工作区布线电缆分规范
Multicore and symmetrical pair/quad cables for digital communications—Part 8: Symmetrical pair/quad cables with transmission characteristics up to 1200MHz-Work area wiring sectional specification
数字通信用对绞或星绞多芯对称电缆 第7部分:具有1200MHz及以下传输特性的对绞或星绞对称电缆 数字及模拟通信电缆分规范
Multicore and symmetrical pair/quad cables for digital communications—Part 7: Symmetrical pair/quad cables with transmission characteristics up to 1 200MHz—Sectional specification for digital and analog communication cables
数字通信用对绞或星绞多芯对称电缆 第1部分:总规范
Multicore and symmetrical pair/quad cables for digital communications—Part 1: Generic specification