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Individual
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Individual
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Priority to ES106871ApriorityCriticalpatent/ES106871A3/es
Publication of ES106871A3publicationCriticalpatent/ES106871A3/es
ES106871A1928-03-071928-03-07Un procedimiento mecánico de acción continua para la formación de filetes de relieve en los clavos de espiga cilíndrica.
ExpiredES106871A3
(es)