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 JP196172ApriorityCriticalpatent/JPS5221284B2/ja
Priority to DE2256054Aprioritypatent/DE2256054C2/de
Priority to NL7216046Aprioritypatent/NL7216046A/xx
Priority to FR7243646Aprioritypatent/FR2165931B1/fr
Priority to US31432572prioritypatent/US3848685A/en
Publication of JPS4874006ApublicationCriticalpatent/JPS4874006A/ja
Publication of JPS5221284B2publicationCriticalpatent/JPS5221284B2/ja