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Application filedfiledCritical
Priority to JP8451471UpriorityCriticalpatent/JPS5011773Y2/ja
Priority to US00289562Aprioritypatent/US3842240A/en
Publication of JPS4839319UpublicationCriticalpatent/JPS4839319U/ja
Priority to US05/468,368prioritypatent/US3963897A/en
Application grantedgrantedCritical
Publication of JPS5011773Y2publicationCriticalpatent/JPS5011773Y2/ja
Priority to US05/632,860prioritypatent/US4023724A/en