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SCHWEIZERISCHE VAGONS und AUFZ
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SCHWEIZERISCHE VAGONS und AUFZ
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Application filed by SCHWEIZERISCHE VAGONS und AUFZfiledCriticalSCHWEIZERISCHE VAGONS und AUFZ
Priority to ES0239202ApriorityCriticalpatent/ES239202A1/es
Publication of ES239202A1publicationCriticalpatent/ES239202A1/es
Disposición de seguridad entre las partes fija y móvil de una puerta de caja de ascensor con dispositivos para el control de cierre y bloqueo de la puerta, caracterizada porque las señales eléctricas para la maniobra del ascensor se producen o controlan por lo menos mediante uno de ambos dispositivos por elementos conmutadores sin contactos.
ES0239202A1957-12-181957-12-18Disposicion de seguridad en puertas de ascensores
ExpiredES239202A1
(es)