DIFF Subgroup
F42B 22/02 Contact mines (contact fuzes F42C7/02)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Contact mines
CPC: Contact mines (contact fuzes F42C7/02)
Full Title
Full titles differ between systems:
IPC:
Marine mines, e.g. launched by surface vessels or submarines > Contact mines
CPC:
Marine mines, e.g. launched by surface vessels or submarines (F42B12/00 takes precedence; for practice or training F42B8/28; mine laying or sweeping B63G) > Contact mines (contact fuzes F42C7/02)
No child classifications to compare. This is a leaf node in both IPC and CPC.