9 IGNITER SYSTEMS OF THE DETONATOR TYPE AND COMPONENTS THEREOF FOR USE IN THE ORDNANCE, PYROTECHNICS AND EXPLOSIVES FIELDS; AND PYROTECHNIC DEVICES AND COMPOSITIONS-NAMELY, SMOKE SIGNALS AND CHAFF CARTRIDGES
21 ELECTRICALLY INITIATED IGNITER SYSTEMS AND COMPONENTS THEREOF FOR USE IN THE ORDNANCE, PYROTECHNICS AND EXPLOSIVES FIELDS
26 IGNITER SYSTEMS RESPONSIVE TO VARIABLES SUCH AS HEAT, PRESSURE, TIME, AND THE LIKE, AND COMPONENTS THEREOF