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 JP4127372ApriorityCriticalpatent/JPS521798B2/ja
Priority to DE19732321201prioritypatent/DE2321201C3/de
Publication of JPS492268ApublicationCriticalpatent/JPS492268A/ja
Publication of JPS521798B2publicationCriticalpatent/JPS521798B2/ja
