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Individual
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Individual
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Priority to ES0072893UpriorityCriticalpatent/ES72893Y/en
Publication of ES72893UpublicationCriticalpatent/ES72893U/en
Application grantedgrantedCritical
Publication of ES72893YpublicationCriticalpatent/ES72893Y/en
An improved washer for crown plugs, characterized essentially by consisting of a disk of plastic material having a slight central bulge, and a peripheral rim perpendicular to it, and directed upwards. (Machine-translation by Google Translate, not legally binding)
ES0072893U1959-03-261959-03-26
Washer perfected for crown caps
ExpiredES72893Y
(en)