ES25975A1 - Mejoras introducidas en el procedimiento mecánico para sujetar las casquillas o culotes a las cabezas de las lámparas de incandescencia.
- Google Patents
Mejoras introducidas en el procedimiento mecánico para sujetar las casquillas o culotes a las cabezas de las lámparas de incandescencia.
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Individual
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Individual
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Priority to ES25975ApriorityCriticalpatent/ES25975A1/es
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ES25975A1900-05-091900-05-09Mejoras introducidas en el procedimiento mecánico para sujetar las casquillas o culotes a las cabezas de las lámparas de incandescencia.
ExpiredES25975A1
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