AUTOMATIC SPRINKLER APPARATUS AND PARTS THEREOF FOR FIRE PROTECTION PURPOSES-NAMELY, AUTOMATIC SPRINKLER VALVES, WET PIPE VALVES, DRY PIPE VALVES, PRE-ACTION VALVES, DELUGE VALVES, SPRINKLER HEADS, EXHAUSTERS FOR VENTING COMPRESSED AIR FROM DRY PIPE SPRINKLER SYSTEMS AND ALARM VALVES FOR INDICATING OPERATION OF SPRINKLER SYSTEMS

'action':24 'air':34 'alarm':41 'apparatus':3 'automat':1,13 'compress':33 'delug':26 'dri':19,36 'exhaust':30 'fire':8 'head':29 'indic':44 'name':12 'oper':45 'part':5 'pipe':17,20,37 'pre':23 'pre-act':22 'protect':9 'purpos':11 'purposes-nam':10 'sprinkler':2,14,28,38,47 'system':39,48 'thereof':6 'valv':15,18,21,25,27,42 'vent':32 'wet':16

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