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Viana Vidal Emilia
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Viana Vidal Emilia
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Priority to ES65662ApriorityCriticalpatent/ES65662A1/en
Publication of ES65662A1publicationCriticalpatent/ES65662A1/en
A central device of an interlocking system designed to protect the movement of trains within a given area, which will be called "T. Q. Interlocks".