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Priority to JP472269ApriorityCriticalpatent/JPS4837295B1/ja
Priority to US810650Aprioritypatent/US3571551A/en
Priority to DE19691916870prioritypatent/DE1916870A1/de
Priority to GB07667/69Aprioritypatent/GB1247404A/en
Priority to FR6910234Aprioritypatent/FR2005474A1/fr
Publication of JPS4837295B1publicationCriticalpatent/JPS4837295B1/ja