ES40780A1 - Un tubo aislador esmaltado y revestido de una cubierta metálica para instalación de conductores eléctricos que constituye un producto industrial.
- Google Patents
Un tubo aislador esmaltado y revestido de una cubierta metálica para instalación de conductores eléctricos que constituye un producto industrial.
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Bergmann Elektricitaets Werke AG
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Bergmann Elektricitaets Werke AG
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Priority to ES40780ApriorityCriticalpatent/ES40780A1/es
Publication of ES40780A1publicationCriticalpatent/ES40780A1/es
ES40780A1907-05-211907-05-21Un tubo aislador esmaltado y revestido de una cubierta metálica para instalación de conductores eléctricos que constituye un producto industrial.
ExpiredES40780A1
(es)