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GB131708A
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An Improved Valve Motion for Internal Combustion Engines.
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GB117495A
|
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Improvements in the Construction of Internal Combustion Engines.
|
|
US1104804A
|
|
Four-cycle internal-combustion engine.
|
|
GB191123332A
|
|
Improvements in & relating to Internal Combustion Engines.
|
|
GB191000856A
|
|
Improvements in Safety Devices in relation to the Use or Consumption of Explosive or Inflammable Fluids.
|
|
GB190726036A
|
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Improvements in Variable Speed Mechanism
|
|
US870966A
|
|
Internal-combustion engine.
|
|
GB190601421A
|
|
Improvements in Internal Combustion Engines.
|
|
GB190519174A
|
|
Improvements in Internal Combustion Engines
|
|
US805799A
|
|
Self-closing seat and chair.
|
|
CA86037A
|
|
Steam and combustion engine
|
|
GB190308142A
|
|
Improvements in and relating to Explosion and other Engines or Motors
|
|
GB189607383A
|
|
Improvements in Metal Tube, and Machinery for Producing the same.
|
|
GB189602720A
|
|
An Improved Crank.
|
|
GB189403107A
|
|
An Improved Speed Indicator for Bicycles and similar or other Vehicles.
|
|
GB189322243A
|
|
Improvements in Bicycles and similar or other Vehicles.
|
|
CA261046A
|
|
Motor speed gear
|
