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 JP6025974ApriorityCriticalpatent/JPS561403B2/ja
Priority to FR7516201Aprioritypatent/FR2271755B1/fr
Priority to US05/580,353prioritypatent/US4073152A/en
Priority to DE2522966Aprioritypatent/DE2522966C3/de
Publication of JPS50152527ApublicationCriticalpatent/JPS50152527A/ja
Publication of JPS561403B2publicationCriticalpatent/JPS561403B2/ja