Home / Standards / GB/T 787-2013 GB/T 787-2013 Active Machinical dimensions of receiving tubes 收讯放大管机械尺寸 Standard Type GBT ICS 31.100 CCS L35 Status 现行 Issue Date 2013-12-17 Implementation 2014-05-15 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A