IT1046955B - Gruppo di anelli di tenuta per raccordi di tubi
- Google Patents
Gruppo di anelli di tenuta per raccordi di tubi
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Publication number
IT1046955B
IT1046955BIT4919175AIT4919175AIT1046955BIT 1046955 BIT1046955 BIT 1046955BIT 4919175 AIT4919175 AIT 4919175AIT 4919175 AIT4919175 AIT 4919175AIT 1046955 BIT1046955 BIT 1046955B
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Romanelli AfiledCriticalRomanelli A
Priority to IT4919175ApriorityCriticalpatent/IT1046955B/it
Priority to US05/577,927prioritypatent/US4029345A/en
Priority to GB20678/75Aprioritypatent/GB1513551A/en
Priority to DE2521930Aprioritypatent/DE2521930C2/de
Priority to ES1975212512Uprioritypatent/ES212512Y/es
Priority to FR7515616Aprioritypatent/FR2272323B1/fr
Priority to CH641675Aprioritypatent/CH589816A5/xx
Application grantedgrantedCritical
Publication of IT1046955BpublicationCriticalpatent/IT1046955B/it