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Filing date
Publication date
Application filedfiledCritical
Priority to JP1974120362UpriorityCriticalpatent/JPS5422229Y2/ja
Priority to CH1169375Aprioritypatent/CH591923A5/xx
Priority to US05/618,759prioritypatent/US3993297A/en
Priority to SU752177195Aprioritypatent/SU577949A3/ru
Priority to IN2230/CAL/75Aprioritypatent/IN143576B/en
Publication of JPS5147083UpublicationCriticalpatent/JPS5147083U/ja
Application grantedgrantedCritical
Publication of JPS5422229Y2publicationCriticalpatent/JPS5422229Y2/ja