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.)
Riken Keikinzoku Kogyo KK
Original Assignee
Riken Keikinzoku Kogyo KK
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 Riken Keikinzoku Kogyo KKfiledCriticalRiken Keikinzoku Kogyo KK
Priority to JP25831184ApriorityCriticalpatent/JPS61137943A/ja
Publication of JPS61137943ApublicationCriticalpatent/JPS61137943A/ja
Publication of JPH0311339B2publicationCriticalpatent/JPH0311339B2/ja
