Home / Standards / GB/T 4728.11-2000 GB/T 4728.11-2000 Abolished Graphical symbols for diagrams--Part 11:Archite-ctural and topographical installation plans and diagrams 电气简图用图形符号 第11部分:建筑安装平面布置图 Standard Type GBT ICS 29.020 CCS K04 Status 废止 Issue Date 2000-12-28 Implementation 2001-08-01 Responsible Dept 国家标准委 Drafting Unit N/A