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Individual
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Individual
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Priority to ES87254ApriorityCriticalpatent/ES87254A3/es
Publication of ES87254A3publicationCriticalpatent/ES87254A3/es
ES87254A1923-11-061923-11-06Mejoras en los procedimientos de corte por medio del oxiacetileno y procedimientos de chorro semejantes.
ExpiredES87254A3
(es)