Home / Standards / GB/T 11449.2-1989 GB/T 11449.2-1989 Active Flanges for waveguides--Part 2:Relevant specification for flanges for ordinary rectangular waveguides 波导法兰盘 第二部分:普通矩形波导法兰盘规范 Standard Type GBT ICS 33.120.10 CCS L26 Status 现行 Issue Date 1989-06-30 Implementation 1990-03-01 Responsible Dept 工业和信息化部（电子） Drafting Unit N/A