US1134369A
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Speed-indicator and the like.
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GB191202052A
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Improvements in or relating to Speed Indicators and the like.
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GB190900645A
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Improvements in Automatic Gas Lighting and Extinguishing Apparatus.
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GB190820348A
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Improvements in Automatic Gas Lighting and Extinguishing Apparatus.
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GB190712619A
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Improvements in Automatic Gas Lighting and Extinguishing Apparatus.
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GB190604377A
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Improvements in Gas Lighting and Extinguishing Mechanism.
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GB190424432A
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Improvements in or relating to Electro-mechanical Synchronization Apparatus.
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US884358A
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Electrically-synchronized time-measuring instrument.
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US638903A
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Speed-indicator.
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GB189806080A
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Improvements in or relating to Velocipede and other Speed Indicators.
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