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.)
FURUKAWA KOUGIYOU K K
Furukawa Mining Co Ltd
Furukawa Kogyo Co Ltd
Original Assignee
FURUKAWA KOUGIYOU K K
Furukawa Mining Co Ltd
Furukawa Kogyo 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 FURUKAWA KOUGIYOU K K, Furukawa Mining Co Ltd, Furukawa Kogyo Co LtdfiledCriticalFURUKAWA KOUGIYOU K K
Priority to JP9407575ApriorityCriticalpatent/JPS5217767A/en
Publication of JPS5217767ApublicationCriticalpatent/JPS5217767A/en
Publication of JPS5344791B2publicationCriticalpatent/JPS5344791B2/ja