Home / Standards / GB/T 10609.3-1989 GB/T 10609.3-1989 Abolished Technical drawings--Folding on documents 技术制图 复制图的折叠方法 Standard Type GBT ICS 01.100 CCS J04 Status 废止 Issue Date 1989-03-22 Implementation 1990-01-01 Responsible Dept 国家标准委 Drafting Unit N/A