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Publication of DE1050413BpublicationCriticalpatent/DE1050413B/de
H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
H01P3/00—Waveguides; Transmission lines of the waveguide type
H01P3/18—Waveguides; Transmission lines of the waveguide type built-up from several layers to increase operating surface, i.e. alternately conductive and dielectric layers