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Priority to JP50034106ApriorityCriticalpatent/JPS51109788A/ja
Priority to US05/645,288prioritypatent/US4028646A/en
Priority to GB53188/75Aprioritypatent/GB1529840A/en
Publication of JPS51109788ApublicationCriticalpatent/JPS51109788A/ja
Publication of JPS5744253B2publicationCriticalpatent/JPS5744253B2/ja