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.)
Kumagai Gumi Co Ltd
Original Assignee
Kumagai Gumi 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 Kumagai Gumi Co LtdfiledCriticalKumagai Gumi Co Ltd
Priority to JP21303284ApriorityCriticalpatent/JPS6190099A/ja
Publication of JPS6190099ApublicationCriticalpatent/JPS6190099A/ja
Publication of JPH037918B2publicationCriticalpatent/JPH037918B2/ja