CSN EN 60153-4

CSN EN 60153-4 This part of IEC 60153 specifies straight hollow metallic tubing of circular waveguides for use as waveguides in electronic equipment. The aim of this recommendation is to specify for hollow metallic waveguides: a) the details necessary to ensure compatibility and, as far as essential, interchangeability; b) test methods; c) uniform requirements for the electrical and mechanical properties.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.