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GB557528A
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Improvements in hydrometers
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GB462051A
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Improvements in hydrometers particularly applicable to fitting in electric accumulators
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GB372362A
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Improvements in automatic fire extinguishers
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GB345744A
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Improvements in chemical fire extinguishers
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GB335698A
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Improvements in hydrometers
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GB328554A
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Improvements in anti-dazzle or glare screens for the use of vehicle drivers
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GB325801A
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Improved portable means for cleaning the hands, specially applicable for use by drivers of motor vehicles
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GB299816A
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Improvements in hydrometers
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GB297167A
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Improvements in acid level and charge indicators for electric accumulators
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GB274240A
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Improvements in or relating to contact plugs for electrical connections of the plug and socket type
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GB221910A
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Improvements in electric lampholder adaptors and the like
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GB205552A
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Improvements in apparatus for taking up the slack flexible cable for electric irons and the like
|
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GB137155A
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Improved method of locking electric lamps in their holders, for use with majolica fittings and the like
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