ES144458A1
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A gas scrubbing process for the removal of carbonic acid.
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ES144415A1
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A distillation process.
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GB502147A
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Improvements relating to the generation of water gas
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GB499646A
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Improved means for effecting automatic control of the valves of water-gas generators
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GB473458A
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Improvements relating to processes for refining lubricating oils
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GB474508A
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Improvements relating to processes for the fractional decomposition of hydrocarbon mixtures
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GB490212A
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Improvements in devices for filling containers with liquid fuels
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GB491062A
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Improvements in or relating to lamps
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GB490933A
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Improvements in or relating to illuminating projectors
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GB471713A
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Improvements in or pertaining to sound film apparatus
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GB472013A
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Improvements in and relating to apparatus for taking and/or projecting continuously moving kinematographic films
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GB468550A
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Improvements in and relating to the control of alternating current circuits by saturable chokes
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GB467628A
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Improvements in and relating to the control of alternating current circuits by saturable chokes
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GB484397A
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Improvements in electrical control relays
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GB486579A
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Improvements in or relating to alternating current commutator machines, particularly but not essentially alternating current commutator motors
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GB486580A
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Improvements in or relating to alternating current commutator machines, particularly but not essentially alternating current commutator motors
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GB486530A
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Improvements in or relating to alternating current commutator machines, particularlybut not essentially alternating current commutator motors
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US2080044A
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Reversing mechanism for dry gas meters
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GB457026A
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Improvements in or relating to single bellows gas meters
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US2063164A
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Reversing mechanism for dry gas meters
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