DIFF Subgroup
H01J 19/62 Leading-in conductors
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Details of vacuum tubes of the types covered by group > Leading-in conductors
CPC:
Details of vacuum tubes of the types covered by group H01J21/00 > Leading-in conductors
No child classifications to compare. This is a leaf node in both IPC and CPC.