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 JP13456776ApriorityCriticalpatent/JPS5359380A/ja
Priority to US05/845,202prioritypatent/US4181542A/en
Publication of JPS5359380ApublicationCriticalpatent/JPS5359380A/ja
Priority to US06/063,829prioritypatent/US4288800A/en
Publication of JPS574106B2publicationCriticalpatent/JPS574106B2/ja