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 JP410169ApriorityCriticalpatent/JPS4751546B1/ja
Priority to GB2869/70Aprioritypatent/GB1276791A/en
Priority to FR7002322Aprioritypatent/FR2030175B1/fr
Priority to DE19702002841prioritypatent/DE2002841A1/de
Priority to NL7000879Aprioritypatent/NL7000879A/xx
Publication of JPS4751546B1publicationCriticalpatent/JPS4751546B1/ja