DIFF Subgroup
F42C 15/33 by breaking a vacuum or pressure container
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges > operated by change of fluid pressure > by breaking a vacuum or pressure container
CPC:
Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges > operated by change of fluid pressure (F42C5/00, F42C15/29 take precedence) > by breaking a vacuum or pressure container
No child classifications to compare. This is a leaf node in both IPC and CPC.