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Individual
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Individual
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Priority to ES10143ApriorityCriticalpatent/ES10143A1/en
Publication of ES10143A1publicationCriticalpatent/ES10143A1/en
ES10143A1889-11-021889-11-02
A procedure for distributing underground pipes intended to contain supply conductors used for electrical lighting.
ExpiredES10143A1
(en)
Improvements in the procedure of distributing the underground pipes destined to contain the supply conductors used for the supply that are used for electric lighting.