Home / Standards / GB/T 4591-2005 GB/T 4591-2005 Active Test Chart for Electrostatic Copying Process 静电图像测试版 Standard Type GBT ICS 37.100.01 CCS N47 Status 现行 Issue Date 2005-09-09 Implementation 2006-04-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会