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ATIVIA AURELA MANUEL O
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ATIVIA AURELA MANUEL O
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Application filed by ATIVIA AURELA MANUEL OfiledCriticalATIVIA AURELA MANUEL O
Priority to ES0012899UpriorityCriticalpatent/ES12899Y/es
Publication of ES12899UpublicationCriticalpatent/ES12899U/es
Application grantedgrantedCritical
Publication of ES12899YpublicationCriticalpatent/ES12899Y/es
Por "tope enganche automático para vagones de ferrocarril", en que el tope llamado macho y el llamado hembra, colocados inversamente en las testeras de los vagones, con ranuras, con chaflán o plano inclinado, manillas de giro, rueda dentada, trinquete de seguridad, biela, vástago con sus ganchos superior e inferior, uña de enganche con anilla para la sujeción al vástago, uña para el enganche de la cara posterior de los topes, con el que se consigue un enganche automático, evitándose las cadenas laterales, y toda posibilidad de accidentes.
ES0012899U1946-04-171946-04-17Tope enganche automático para vagones de ferrocarril.
ExpiredES12899Y
(es)
Manual removal of the placenta; a report of 410 cases of manual removal of the placenta with one death; 150 of the cases were done as a routine or prophylactic measure