General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 11449.3-1989
Scope
This standard applies to flat rectangular waveguide flanges. It is part of a complete set of waveguide flange standards and should be used in conjunction with GB 11449.1 "Waveguide Flanges Part 1: General Requirements".
GB/T 11449.3-1989 history
1989GB/T 11449.3-1989 Flanges for waveguides--Part 3:Relevant specification for flanges for flat rectangular waveguides