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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ishihara Mining & Chemical Co
Original Assignee
Ishihara Mining & Chemical Co
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 Ishihara Mining & Chemical CofiledCriticalIshihara Mining & Chemical Co
Priority to JP51158366ApriorityCriticalpatent/JPS5930678B2/en
Publication of JPS5381377ApublicationCriticalpatent/JPS5381377A/en
Publication of JPS5930678B2publicationCriticalpatent/JPS5930678B2/en