General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 11449.1-1989
Scope
This standard applies to waveguide flanges used in electronic equipment, and specifies the general requirements for waveguide flanges. When there is a conflict between this general requirement and the relevant flange specifications, the latter shall prevail.
GB/T 11449.1-1989 history
1989GB/T 11449.1-1989 Flanges for waveguides--Part 1:General requirements