Home / Standards / GB/T 11449.6-1989 GB/T 11449.6-1989 Active Flanges for waveguides--Part 7:Relevant specification for flanges for square waveguides 波导法兰盘 第七部分:方形波导法兰盘规范 Standard Type GBT ICS 33.120.10 CCS L26 Status 现行 Issue Date 1989-06-22 Implementation 1990-03-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A