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alarm signals Asphalt assembly attached Authorities having jurisdiction calcium chloride Calif check valves Chicago circuit Class Classification coded control panel Control panel—Label Corp cylinders discharge doors and shutters Electric Elkhart eral Fire Extinguisher evidence of inspection exceeding factories by Underwriters Fire Door fire test Firecraft flanged fusible link Grinnell hardware hollow-metal hose incl Inspection Service installation Label Service Labora Laboratories lb per sq listing under Boxes manually operated manufacturer Manufacturer's Marking Metal name plate nozzle Ohio openings in vertical over-all width pattern portland cement Products pump R. I. Gen Rate of Foam Reexamination Service release Rockwood roof coverings sash serves as evidence Service of Underwriters Sheet sheet-metal Signal and Watch signifies compliance sizes sliding sprinkler equipment standard standpipe steel submitted for labeling supervisory tank temperature thermostats tin-clad tion tories tubing unit—Label units vertical shafts warp threads waterflow York Youngstown