Home / Standards / GB/T 18229-2000 GB/T 18229-2000 Active Rule of CAD engineering drawing CAD工程制图规则 Standard Type GBT ICS 35.240.10 CCS J04 Status 现行 Issue Date 2000-10-17 Implementation 2001-05-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委