DIFF Subgroup
H01P 1/2002 Full Title
Auxiliary devices (coupling devices of the waveguide type H01P5/00) > Frequency-selective devices, e.g. filters
Search Classifications
Search for IPC and CPC classification codes or keywords
H01P 1/2002 Auxiliary devices (coupling devices of the waveguide type H01P5/00) > Frequency-selective devices, e.g. filters