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 JP50004938ApriorityCriticalpatent/JPS5744995B2/ja
Priority to US05/646,045prioritypatent/US4031413A/en
Priority to DE2600389Aprioritypatent/DE2600389C3/de
Publication of JPS5180730ApublicationCriticalpatent/JPS5180730A/ja
Publication of JPS5744995B2publicationCriticalpatent/JPS5744995B2/ja
