DIFF Subgroup
F42D 1/055 specially adapted for firing multiple charges with a time delay
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Blasting methods or apparatus, e.g. for loading or tamping > Arrangements for ignition > Arrangements for electric ignition > Electric circuits for blasting > specially adapted for firing multiple charges with a time delay
CPC:
Blasting methods or apparatus, e.g. loading or tamping > Arrangements for ignition > Arrangements for electric ignition (dynamo-electric generators H02K) > Electric circuits for blasting > specially adapted for firing multiple charges with a time delay
No child classifications to compare. This is a leaf node in both IPC and CPC.