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.)
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Priority to JP6446972ApriorityCriticalpatent/JPS552986B2/ja
Priority to CH935873Aprioritypatent/CH574252A5/xx
Priority to DE19732332909prioritypatent/DE2332909A1/de
Priority to FR7323753Aprioritypatent/FR2190484B1/fr
Publication of JPS4923036ApublicationCriticalpatent/JPS4923036A/ja
Publication of JPS552986B2publicationCriticalpatent/JPS552986B2/ja