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 JP2174875ApriorityCriticalpatent/JPS5525752B2/ja
Priority to CA246,197Aprioritypatent/CA1073095A/en
Publication of JPS5196238ApublicationCriticalpatent/JPS5196238A/ja
Priority to US05/836,904prioritypatent/US4167750A/en
Publication of JPS5525752B2publicationCriticalpatent/JPS5525752B2/ja
