HD 123.1 S1:1977
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hollow metallic waveguides - Part 1: General requirements and measuring methods
15-11-1977
15-05-1977
Specifies for hollow metallic waveguides: the details necessary to ensure compatibility and interchangeability, test methods and uniform requirements for the electrical and mechanical properties.
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