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GB191101329A
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Improvements in Apparatus for Transferring Mail Bags to and from Railways and Trains in Motion.
|
|
US958572A
|
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Mail-bag catcher and deliverer.
|
|
US959828A
|
|
Automatic fire-alarm.
|
|
GB190005167A
|
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Improvements in and relating to Alternating Current Electro-motors.
|
|
GB189809220A
|
|
Improved Rotary Engine or Turbine.
|
|
GB189416058A
|
|
Improvements in Water Heaters.
|
|
GB189314323A
|
|
Improvements in Screw Propellers.
|
|
US46173A
|
|
Improvement in low-water detectors
|
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CA27508A
|
|
Grain scourer
|
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CA35367A
|
|
Apparatus to facilitate taking pills
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