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US1300490A
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Apparatus for the delivery of several liquids simultaneously or successively.
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GB116561A
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Improvements in or relating to Apparatus for the Delivery of Several Liquids Simultaneously or Successively.
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GB107617A
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Improvements in Guns having a Plurality of Gun Barrels.
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GB191506362A
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Improved Automatic Signalling Arrangement for Tramway Lines or Electric Railways.
|
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US1089588A
|
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Switch-point-operating mechanism.
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CA144217A
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Signal for railways
|
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GB191210434A
|
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Improved Automatic Signalling Arrangement for Tramway Lines or Electric Railways.
|
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GB191011371A
|
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Apparatus for Operating Railway and Tramway Points and the like.
|
|
GB191011372A
|
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Point-controlling Mechanism for Railways, Tramways and the like.
|
|
US1070184A
|
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Switch-operating mechanism.
|
|
GB191008862A
|
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Apparatus for Actuating the Conduit Covers of Electric Tramways on the Slot Conduit System.
|
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US1011249A
|
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Mechanical block system for tramways.
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