DIFF Subgroup
F42B 22/04 Influenced mines, e.g. by magnetic or acoustic effect
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Marine mines, e.g. launched by surface vessels or submarines > Influenced mines, e.g. by magnetic or acoustic effect
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) > Influenced mines, e.g. by magnetic or acoustic effect
No child classifications to compare. This is a leaf node in both IPC and CPC.