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PCE
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CPC Subgroup
F42B 3/08

with cavities in the charge, e.g. hollow-charge blasting cartridges

Full Title

Blasting cartridges, i.e. case and explosive (fuse cords, e.g. detonating fuse cords C06C5/00; chemical aspects of detonators, blasting caps or primers C06C7/00) > with cavities in the charge, e.g. hollow-charge blasting cartridges