DIFF Subgroup
H01J 19/80 Structurally associated resonator having distributed inductance and capacitance
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Details of vacuum tubes of the types covered by group > One or more circuit elements structurally associated with the tube > Structurally associated resonator having distributed inductance and capacitance
CPC:
Details of vacuum tubes of the types covered by group H01J21/00 > One or more circuit elements structurally associated with the tube > Structurally associated resonator having distributed inductance and capacitance
No child classifications to compare. This is a leaf node in both IPC and CPC.