Home / Standards / GB/T 18135-2008 GB/T 18135-2008 Active Electrotechnical engineering drawings rules of CAD 电气工程CAD制图规则 Standard Type GBT ICS 29.020 CCS K04 Status 现行 Issue Date 2008-06-18 Implementation 2009-05-01 Responsible Dept 国家标准委 Drafting Unit N/A