rotection against electric shocks;Qualification tests;Rust-resisting quality;Safety requirements;Screws (bolts);Sockets;Special design;Specification (approval);Strength of materials;Tension crack corrosion;Testing;Thermal stability【摘要】: This part of IEC 60838 applies to lampholders of miscellaneous types intended for building-in (to be used with general purpose light sources, projection lamps, floodlighting lamps and street-lighting lamps with caps as listed in annex A) and the methods【中国标准分类号】: K74【国际标准分类号】: 29_140_10【页数】: 72P;A4【正文语种】: 英语 | 欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) | Powered by Discuz! X2.5 |