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 JP2934077ApriorityCriticalpatent/JPS53115171A/ja
Priority to US05/885,947prioritypatent/US4162427A/en
Publication of JPS53115171ApublicationCriticalpatent/JPS53115171A/ja
Publication of JPS5748821B2publicationCriticalpatent/JPS5748821B2/ja
