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 Construction Co Ltd
Original Assignee
Mitsui Construction 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 Construction Co LtdfiledCriticalMitsui Construction Co Ltd
Priority to JP13088381ApriorityCriticalpatent/JPS5833658A/ja
Publication of JPS5833658ApublicationCriticalpatent/JPS5833658A/ja
Publication of JPS616215B2publicationCriticalpatent/JPS616215B2/ja