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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Application filedfiledCritical
Priority to JP11933177ApriorityCriticalpatent/JPS5452318A/ja
Priority to DE2841900Aprioritypatent/DE2841900C2/de
Publication of JPS5452318ApublicationCriticalpatent/JPS5452318A/ja
Priority to US06/056,699prioritypatent/US4304038A/en
Publication of JPS5618455B2publicationCriticalpatent/JPS5618455B2/ja