1
CARBON DIOXIDE, OXYGEN [ , AND CHEMICAL PREPARATIONS USED IN THE TREATMENT OF FIBROUS MATERIALS ]
6
[ CYLINDERS MADE OF METAL AND EMPLOYED AS CONTAINERS FOR COMPRESSED OR LIQUEFIED GAS FOR USE WITH BREATHING DEVICES, INFLATABLE RAFTS, LIFE BELTS, FIRE EXTINGUISHING DEVICES, AND EMERGENCY PRESSURE OPERATED DEVICES FOR OPENING DOORS AND FOR LOWERING AND RAISING LANDING GEAR OF AIRPLANES ]
9
[ FLAME ACTUATED ELECTRIC APPARATUS FOR CLOSING OF FIRE ALARM CIRCUITS, FIRE DETECTING APPARATUS COMPRISING ELECTRICALLY ACTUATED ALARM AND INDICATING APPARATUS TO INDICATE THE PRESENCE AND LOCATION OF FIRE UPON THE ACTUATION OF A HEAT RESPONSIVE MECHANISM INCLUDED IN THE ELECTRICAL SYSTEM, ELECTRICALLY OPERATED FIRE ALARM APPARATUS, AND IMPACT SWITCHES FOR ELECTRIC CIRCUITS ]
11
[ SUBMERSION ACTUATORS FOR ACTUATING VALVES FOR THE RELEASE OF GAS UNDER PRESSURE FROM CONTAINERS TO INFLATE BAGS WHICH FORM BUOYANT FLOATS FOR SUPPORTING DISABLED AIRCRAFT, SUCH DEVICES INCLUDING A CASING HAVING AN EXPANSIBLE MEDIUM WHICH IS EXPANDED WHEN THE CASING IS BROUGHT INTO CONTACT WITH A LIQUID, WHEREBY TO GENERATE PRESSURE TO ACTUATE THE RELEASSE VALVES; ALSO ACTUATORS COMPRISING A PERFORATED CASING ENCLOSING ELECTRODES WHICH UPON CONTACT WITH WATER COMPLETE AN ELECTRIC ACTUATING CIRCUIT TO OPERATE ELECTRICALLY RELEASABLE VALVES; HEAT RESPONSIVE APPARATUS-NAMELY, FIXED TEMPERATURE THERMOSTATS, FUSIBLE LINK DETECTORS, AND RATE-OF-TEMPERATURE-RISE DETECTORS COMPRISING A SMALL METAL AIR CHAMBER, THE AIR IN WHICH EXPANDS UPON A SUDDEN CHANGE IN TEMPERATURE; EACH OF THESE DEVICES BEING CONNECTED TO RELEASE MECHANISM, WHEREBY UPON ACTUATION OF THE DEVICE, THE RELEASE MECHANISM IS OPERATED TO RELEASE A FIRE EXTINGUISHING MEDIUM; AUTOMATIC WEIGHT INDICATORS AND SCALES, AND TIMING APPARATUS ADAPTED FOR INSTALLATION IN FIRE EXTINGUISHING SYSTEMS AND OPERABLE THEREBY, FOR THE PURPOSE OF PROVIDING FOR OR CAUSING DELAY BETWEEN THE GIVING OF AN ALARM AND THE DISCHARGE OF FIRE EXTINGUISHING MEDIUM ]
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