GRINNELL

AUTOMATIC FIRE PROTECTION APPARATUS COMPOSED WHOLLY OR IN PART OF METAL-NAMELY, AUTOMATIC SPRINKLER SYSTEMS AND PARTS AND ACCESSORIES THEREOF, ALARM VALVES, DRY PIPE VALVES, FIRE DEPARTMENT CONNECTIONS, DRY VALVE ACCELERATORS, WATER MOTOR GONGS AND GONG HOODS, FUSIBLE LINKS AND AUTOMATIC SPRINKLERS