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Individual
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Individual
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Priority to ES25200ApriorityCriticalpatent/ES25200A2/es
Publication of ES25200A2publicationCriticalpatent/ES25200A2/es
ES25200A1899-12-111899-12-11Un procedimiento mecánico para construir tubos con paredes compuestas de varias capas íntimamente unidas entre sí.
ExpiredES25200A2
(es)