Home / Standards / GB/T 17128.2-1997 GB/T 17128.2-1997 Active Special postal envelope--International envelope on postal service 邮政特种信封 国际邮政公事信封 Standard Type GBT ICS 03.240 CCS M83 Status 现行 Issue Date 1997-12-02 Implementation 1998-10-01 Responsible Dept 国家邮政局 Drafting Unit N/A