IT1158948BIT67502/83AIT6750283AIT1158948BIT 1158948 BIT1158948 BIT 1158948BIT 67502/83 AIT67502/83 AIT 67502/83AIT 6750283 AIT6750283 AIT 6750283AIT 1158948 BIT1158948 BIT 1158948B
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Priority to IT67502/83ApriorityCriticalpatent/IT1158948B/en
Publication of IT8367502A0publicationCriticalpatent/IT8367502A0/en
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Publication of IT1158948BpublicationCriticalpatent/IT1158948B/en
The valve comprises a valve body with annular slits of reactangular cross-section in its surface. PTFE rings backed with elastic rubber rings are located in the slits. A valve chamber is also provided.