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 JP7288177ApriorityCriticalpatent/JPS547567A/ja
Priority to DE19782825175prioritypatent/DE2825175A1/de
Publication of JPS547567ApublicationCriticalpatent/JPS547567A/ja
Priority to US06/073,245prioritypatent/US4326430A/en
Publication of JPS5525543B2publicationCriticalpatent/JPS5525543B2/ja