71489863
Oct 12, 1945
Jul 9, 1946
AUTOMATIC FIRE SPRINKLER APPARATUS, FOR USE BOTH INSIDE AND OUTSIDE OF BUILDINGS, AND CONSISTING OF AUTOMATIC SPRINKLERS, OPEN, WINDOW AND EAVE SPRINKLERS, ALARM VALVES, RETARDING CHAMBERS, ELECTRIC CIRCUIT CLOSERS, WATER MOTOR OPERATED MECHANICAL GONGS, DRY PIPE VALVES, QUICK OPENING DEVICES, CHEMICAL AND SOLDER FUSIBLE LINKS, AND DETECTOR CHECK VALVES
Firearms