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.)
Priority date (The priority date 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 date listed.)
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Priority to JP12338872ApriorityCriticalpatent/JPS538800B2/ja
Priority to CA187,823Aprioritypatent/CA971031A/en
Priority to US423654Aprioritypatent/US3914436A/en
Publication of JPS4981598ApublicationCriticalpatent/JPS4981598A/ja
Publication of JPS538800B2publicationCriticalpatent/JPS538800B2/ja
