IT1045971B -
PERFECTED BALL VALVE
- Google Patents
PERFECTED BALL VALVE
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Publication number
IT1045971B
IT1045971BIT1295873AIT1295873AIT1045971BIT 1045971 BIT1045971 BIT 1045971BIT 1295873 AIT1295873 AIT 1295873AIT 1295873 AIT1295873 AIT 1295873AIT 1045971 BIT1045971 BIT 1045971B
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Priority to IT1295873ApriorityCriticalpatent/IT1045971B/en
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Publication of IT1045971BpublicationCriticalpatent/IT1045971B/en