DIFF Subgroup
F42B 4/30 Manufacture
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Fireworks, i.e. pyrotechnic devices for amusement, display, illumination, or signal purposes > Manufacture
CPC:
Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes (signalling by explosives G08B; advertising by fireworks G09F13/46; ) > Manufacture
No child classifications to compare. This is a leaf node in both IPC and CPC.