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Priority to JP7502467ApriorityCriticalpatent/JPS535511B1/ja
Priority to GB1251226Dprioritypatent/GB1251226A/en
Priority to US774715Aprioritypatent/US3601610A/en
Priority to NL686816471Aprioritypatent/NL150623B/xx
Priority to DE19681809749prioritypatent/DE1809749B2/de
Priority to FR1593259Dprioritypatent/FR1593259A/fr
Publication of JPS535511B1publicationCriticalpatent/JPS535511B1/ja