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GB190902733A
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Improvements in Circuit Interrupters to take the Place of a Fuse in Electric Lighting and Power Installations.
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GB190521359A
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An Improved Engineer's Tool for Ruling, Gauging, Levelling and other Operations.
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GB190406932A
|
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Improvements in Portable Fire-extinguishing Apparatus.
|
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GB190406834A
|
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Improved Means for Automatically Controlling the Passage of Electric Currents.
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GB190406833A
|
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Improvements in Electro-mechanical Cut-outs.
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GB190318598A
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An Improved Automatic Electro-mechanical Cut-out.
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GB190112089A
|
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Improvements in Automatic Electrical Signalling Apparatus for Railways.
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GB190108920A
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Improvements in Electric Switches.
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GB189909672A
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Improvements in Electric Switches.
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GB189901228A
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A New or Improved Christmas Cracker.
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