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 JP669275ApriorityCriticalpatent/JPS5615489B2/ja
Priority to US05/549,767prioritypatent/US3997258A/en
Priority to DE19752507014prioritypatent/DE2507014A1/de
Publication of JPS5181617ApublicationCriticalpatent/JPS5181617A/ja
Publication of JPS5615489B2publicationCriticalpatent/JPS5615489B2/ja
