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 JP8034573ApriorityCriticalpatent/JPS5140451B2/ja
Priority to DE19742406400prioritypatent/DE2406400B2/de
Priority to US05/441,795prioritypatent/US3989610A/en
Priority to GB666374Aprioritypatent/GB1449326A/en
Publication of JPS5030515ApublicationCriticalpatent/JPS5030515A/ja
Publication of JPS5140451B2publicationCriticalpatent/JPS5140451B2/ja