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 JP11581373ApriorityCriticalpatent/JPS5622026B2/ja
Priority to US05/515,075prioritypatent/US3973239A/en
Publication of JPS5068039ApublicationCriticalpatent/JPS5068039A/ja
Publication of JPS5622026B2publicationCriticalpatent/JPS5622026B2/ja
