DIFF Subgroup
H01J 23/14 Leading-in arrangements; Seals therefor
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Details of transit-time tubes of the types covered by group > Leading-in arrangements; Seals therefor
CPC:
Details of transit-time tubes of the types covered by group H01J25/00 > Leading-in arrangements; Seals therefor
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1985.
Child Classifications
Navigate with arrow keys, Enter to open
- H01J 23/15 Means for preventing wave energy leakage structurally associated with tube leading-in arrangements, e.g. filters, chokes, attenuating devices since 1985 IPC+CPC Available in IPC and CPC