ES224559A2 - A procedure of signal command, especially for railways, and device for their realization (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure of signal command, especially for railways, and device for their realization (Machine-translation by Google Translate, not legally binding)
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PIERRE LEROY EMILE MARCEL
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PIERRE LEROY EMILE MARCEL
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Publication of ES224559A2publicationCriticalpatent/ES224559A2/en
Electrical Discharge Machining, Electrochemical Machining, And Combined Machining
(AREA)
Abstract
Improvements introduced in the object of the main patent no. 223764, by signaling control procedure, especially for railroads and device for its realization, characterized by the following particularities considered separately or in combination. (Machine-translation by Google Translate, not legally binding)
ES0224559A1955-04-261955-10-20A procedure of signal command, especially for railways, and device for their realization (Machine-translation by Google Translate, not legally binding)
ExpiredES224559A2
(en)
A procedure of signal command, especially for railways, and device for their realization (Machine-translation by Google Translate, not legally binding)
A procedure of signal command, especially for railways, and device for their realization (Machine-translation by Google Translate, not legally binding)