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Ind De Gomas S A
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Ind De Gomas S A
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Priority to ES138216ApriorityCriticalpatent/ES138216A1/en
Publication of ES138216A1publicationCriticalpatent/ES138216A1/en
ES138216A1935-04-271935-04-27
A procedure for obtaining rubber pieces, which simultaneously present vulcanized and raw surfaces.
ExpiredES138216A1
(en)