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.)
Mitsui Mining & Smelting Eng
Mitsui Mining and Smelting Co Ltd
Original Assignee
Mitsui Mining & Smelting Eng
Mitsui Mining and Smelting Co Ltd
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 Mitsui Mining & Smelting Eng, Mitsui Mining and Smelting Co LtdfiledCriticalMitsui Mining & Smelting Eng
Priority to JP51131625ApriorityCriticalpatent/JPS5930617B2/en
Publication of JPS5357130ApublicationCriticalpatent/JPS5357130A/en
Publication of JPS5930617B2publicationCriticalpatent/JPS5930617B2/en