
Hollow Metallic Waveguides - Relevant Specifications For Square Waveguides
出版:Polish Committee for Standardization

专家解读视频
2010 [28/05/2010]
IEC 60153-7 : 1.0 - Identical
HD 123.7 : 200S1 - Identical
HD 123.7 : 200S1 - Identical
IEC 60153-7 : 1.0 - Identical
HD 123.7:1975 - Identical