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 JP6606972ApriorityCriticalpatent/JPS5214077B2/ja
Priority to CA163,350Aprioritypatent/CA975872A/en
Priority to DE19732306828prioritypatent/DE2306828A1/de
Publication of JPS4924677ApublicationCriticalpatent/JPS4924677A/ja
Publication of JPS5214077B2publicationCriticalpatent/JPS5214077B2/ja
