Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
H01J 19/78

One or more circuit elements structurally associated with the tube

Full Title

Details of vacuum tubes of the types covered by group H01J21/00 > One or more circuit elements structurally associated with the tube

1 direct subcode

Child Classifications

Navigate with arrow keys, Enter to open

  • H01J 19/80 Structurally associated resonator having distributed inductance and capacitance