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VERRERIES POCHET ET DU GOURVAL
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VERRERIES POCHET ET DU GOURVAL
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Publication of ES247789A1publicationCriticalpatent/ES247789A1/es
Cierre hermético para frascosde vidrio especialmente de perfumería según el cual se utiliza en lugar del cierre esmeriladoun tapón de vidrio con manguito que se rosca en un fileteado interior al cuello del frascoestando asegurada la hermeticidad por interposición entre el tapón y el cuello del frascode una junta que rodea el manguito del tapón en su totalidad o en parte.
ES0247789A1958-03-101959-03-09Un cierre hermético para frascos de vidrio
ExpiredES247789A1
(es)