NEMA SG 10-2008 Guide to OSHA and NFPA 70E Safety Regulations when Servicing and Maintaining Medium-NEMA SG 10-2008 Guide to OSHA and NFPA 70E Safety Regulations when Servicing and Maintaining Medium-Voltage Switchgear and Circuit Breakers Rated above 1000V
部份国外标准涉及版权问题,所以全部国外标准于2013年02月,全部删除!相关页面仅提供参考消息。