Home / Standards / GB/T 22585-2008 GB/T 22585-2008 Active Envelope with transparent window 透明窗口信封 Standard Type GBT ICS 03.240 CCS M83 Status 现行 Issue Date 2008-12-15 Implementation 2009-05-01 Responsible Dept 国家邮政局 Drafting Unit N/A