|
GB191318940A
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Improvements in or relating to Friction Clutches.
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|
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Centrifugal speed-regulator.
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|
GB191219345A
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Improvements in or relating to Dynamos for Lighting Vehicles.
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Improvements in or relating to Friction Clutches.
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Improvements in or relating to Friction Clutches.
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GB191205562A
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Improvements in and relating to Electrical Switches.
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|
GB191125061A
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Improvements in or relating to Slipping Couplings.
|
|
GB191018869A
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|
Improvements in and relating to Switches for Working in connection with Dynamos, Motors, Accumulators and the like.
|
|
GB191008850A
|
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Improvements in Motor, Cycle, and like Lamps.
|
|
CA252748A
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Crystal detector
|
|
CA257764A
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Electric incandescent lamp for headlights
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CA275042A
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Thermionic device
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CA322801A
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Sound reproducing device
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