GB113313A
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Improved Electric Torch.
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GB113148A
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Improvements in Means for use with Winding-apparatus for Protecting Cinematograph Film Surfaces.
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CA160181A
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Wireless telegraphy
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CA152353A
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Bread and butter cutter
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GB191228042A
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Improved System of Duplex or Multiplex Wireless Telegraphy or Telephony.
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GB191209882A
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An Improved Automatic Wireless Alarm.
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GB191204217A
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A Bread Buttering and Cutting Machine.
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GB191128007A
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Improvements in the Enumeration of Telephone Calls.
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GB191025700A
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Improvements in the Enumeration of Telephone Calls.
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GB190906447A
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Improvements in the Enumeration of Telephone Calls.
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US1074677A
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Enumeration of telephone-calls.
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GB190724165A
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Improvements in the Enumeration of Telephone Calls
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GB189321714A
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Improved Electric Exchange Systems with Apparatus therefor, applicable also for Telegraphic and Electric Type-writing Purposes.
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