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 JP6747872ApriorityCriticalpatent/JPS5346069B2/ja
Priority to US374328Aprioritypatent/US3873870A/en
Priority to CA175,295Aprioritypatent/CA981736A/en
Priority to DE19732334288prioritypatent/DE2334288A1/de
Publication of JPS4927166ApublicationCriticalpatent/JPS4927166A/ja
Publication of JPS5346069B2publicationCriticalpatent/JPS5346069B2/ja
