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.)
Filing date
Publication date
Application filed by Nippon Mining CofiledCriticalNippon Mining Co
Priority to JP4463285ApriorityCriticalpatent/JPS61204354A/ja
Publication of JPS61204354ApublicationCriticalpatent/JPS61204354A/ja
Priority to JP2609890Aprioritypatent/JPH02236255A/ja
Publication of JPH0243818B2publicationCriticalpatent/JPH0243818B2/ja