rotection against electric shocks;Ratings;Replaceability;Resistance;Rust-resisting quality;Safety requirements;Screws (bolts);Sockets;Specification (approval);Switches;Tension crack corrosion;Testing;Thermal resistance;Tracking resistance【摘要】: 【中国标准分类号】: K74【国际标准分类号】: 29_140_10【页数】: 66P.;A4【正文语种】: 德语 | 欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) | Powered by Discuz! X2.5 |