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.)
RIKOU SOUGOU KENKIYUUSHIYO KK
Original Assignee
RIKOU SOUGOU KENKIYUUSHIYO 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 RIKOU SOUGOU KENKIYUUSHIYO KKfiledCriticalRIKOU SOUGOU KENKIYUUSHIYO KK
Priority to JP2145977ApriorityCriticalpatent/JPS53106934A/ja
Publication of JPS53106934ApublicationCriticalpatent/JPS53106934A/ja