Home / Standards / GB/T 1099.1-2003 GB/T 1099.1-2003 Active Woodruff keys--Normal form 普通型 半圆键 Standard Type GBT ICS 21.120.30 CCS J18 Status 现行 Issue Date 1972-04-21 Implementation 2003-12-01 Responsible Dept 国家标准委 Drafting Unit N/A