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Individual
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Individual
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Priority to ES9003555UpriorityCriticalpatent/ES1016144Y/en
Publication of ES1016144UpublicationCriticalpatent/ES1016144U/en
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Publication of ES1016144YpublicationCriticalpatent/ES1016144Y/en
Closing improved valve step board, wherein includes one piece tubular metallic (12) on the periphery external distinguished two end portions distinct: a thread and other stepped, receiving the outside of the latter rubber closing ( 3) which extends beyond the end of the piece metallic (Machine-translation by Google Translate, not legally binding)
ES9003555U1990-12-141990-12-14
PERFECTED CLOSING SEAL FOR PASS VALVES.
Expired - Fee RelatedES1016144Y
(en)