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 JP3925576ApriorityCriticalpatent/JPS52123362A/ja
Priority to US05/725,487prioritypatent/US4080281A/en
Publication of JPS52123362ApublicationCriticalpatent/JPS52123362A/ja
Publication of JPS5523909B2publicationCriticalpatent/JPS5523909B2/ja
