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GB191128766A
|
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Improvements in Dynamo-electric Machines.
|
|
US1031561A
|
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Direct-current electric motor.
|
|
GB190925230A
|
|
Improvements in Direct Current Electric Motors.
|
|
GB190810425A
|
|
Improvements in Ratchet Gearing, Clutches, Self Locking Devices, Feed Mechanisms, Free Wheel Mechanisms and the like
|
|
GB190801075A
|
|
Improvements in or relating to Thrust-bearings
|
|
GB190719241A
|
|
Improvements in Electro-magnetic Cut-outs or Circuit Breakers.
|
|
US968574A
|
|
Worm-gearing.
|
|
GB190625957A
|
|
Improvements in Spray Carburetters for use with Internal Combustion Engines
|
|
GB190615780A
|
|
Improvements in Worm Gearing.
|
|
GB190512457A
|
|
An Hydro-pneumatic Power-transmission Apparatus
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