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 JP3117775ApriorityCriticalpatent/JPS5311511B2/ja
Priority to DE19762611281prioritypatent/DE2611281A1/de
Priority to US05/667,549prioritypatent/US4043846A/en
Publication of JPS51106669ApublicationCriticalpatent/JPS51106669A/ja
Publication of JPS5311511B2publicationCriticalpatent/JPS5311511B2/ja
