DIFF Subgroup
F42C 11/02 with piezo-crystal
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Electric fuzes > with piezo-crystal
CPC:
Electric fuzes (; proximity fuzes F42C13/00; ; electric igniters F42C19/12, ) > with piezo-crystal
No child classifications to compare. This is a leaf node in both IPC and CPC.