DIFF Subgroup
H01K 1/34 Double wall vessels
Introduced: September 1968
Title
Titles differ between systems:
IPC: Double-wall vessels
CPC: Double wall vessels
Full Title
Full titles differ between systems:
IPC:
Details > Envelopes; Vessels > Double-wall vessels
CPC:
Details > Envelopes; Vessels > Double wall vessels
No child classifications to compare. This is a leaf node in both IPC and CPC.