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ES189606A1
|
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Improvements introduced in couplings for railway vehicles
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ES178366A1
|
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Improvements in mechanically operated control systems for mobile objects
|
|
ES176163A1
|
|
A mechanism to operate the diverter switches of taking changers in load of electrical transformers
|
|
ES111219A1
|
|
Improvements in electric traction systems.
|
|
ES111220A1
|
|
Improvements in the regulation systems for electric motors.
|
|
ES111221A1
|
|
Improvements in the electrical relays applicable more especially to the regulating systems for electric motors.
|
|
ES111222A1
|
|
Improvements in electric motors.
|
|
ES111144A1
|
|
Improvements in electrical circuit breakers.
|
|
ES108635A1
|
|
Improvements in electric locomotives.
|
|
ES107317A1
|
|
Improvements in electrically propelled vehicles.
|
|
ES106636A1
|
|
Improvements in media brakes for trucks or locomotive bogas.
|
|
ES106094A1
|
|
Improvements in fluid cooled conductors for alternating electric currents.
|
|
ES103427A1
|
|
Improvements in couplings for primary motors and dynamo electric machines.
|
|
AU1745020B
|
|
Improvements in steam turbines
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