71631931
Jun 28, 1952
Mar 9, 1954
DETONATORS-NAMELY, ORDINARY DETONATORS, ELECTRIC DETONATORS AND DELAY ACTION DETONATORS; FUSES-NAMELY, SAFETY FUSES AND INSTANTANEOUS FUSES; BLASTING EXPLOSIVES-NAMELY, DYNAMITE, GELIGNITE, GELATINE EXPLOSIVES AND BLACK POWDER; SEISMOGRAPHIC EXPLOSIVES; PROPELLANT EXPLOSIVES-NAMELY, BLACK POWDER, SMOKELESS POWDER, CORDITE; MILITARY EXPLOSIVES SUCH AS NITROCOTTON; AND PERCUSSION CAPS FOR HAND GRENADES
Electrical and Scientific Apparatus