ES11214A1 -
Improvements in the means of applying the power of electric motors to all kinds of mechanisms, especially those destined for electric railways.
- Google Patents
Improvements in the means of applying the power of electric motors to all kinds of mechanisms, especially those destined for electric railways.
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Individual
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Individual
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Priority to ES11214ApriorityCriticalpatent/ES11214A1/en
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ES11214A1890-09-061890-09-06
Improvements in the means of applying the power of electric motors to all kinds of mechanisms, especially those destined for electric railways.
ExpiredES11214A1
(en)
Improvements in the procedure to join the alternating current dynamo machines in synchronous relationship and to regulate the motive force used to drive them.