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 JP15901775UpriorityCriticalpatent/JPS5271513U/ja
Priority to US05/711,630prioritypatent/US4097006A/en
Priority to DE2636169Aprioritypatent/DE2636169C3/de
Publication of JPS5271513UpublicationCriticalpatent/JPS5271513U/ja
