ES45968A1 - Un procedimiento para la combinación de los filamentos metálicos de lámparas eléctricas de incandescencia con sus sujetadores o soportes metálicos.
- Google Patents
Un procedimiento para la combinación de los filamentos metálicos de lámparas eléctricas de incandescencia con sus sujetadores o soportes metálicos.
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Bergmann Elektricitaets Werke AG
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Bergmann Elektricitaets Werke AG
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Priority to ES45968ApriorityCriticalpatent/ES45968A1/es
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ES45968A1909-07-171909-07-17Un procedimiento para la combinación de los filamentos metálicos de lámparas eléctricas de incandescencia con sus sujetadores o soportes metálicos.
ExpiredES45968A1
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