Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to JP6805876ApriorityCriticalpatent/JPS52151081A/ja
Priority to US05/782,492prioritypatent/US4112746A/en
Publication of JPS52151081ApublicationCriticalpatent/JPS52151081A/ja
Publication of JPS5632561B2publicationCriticalpatent/JPS5632561B2/ja
