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.)
Shimizu Construction Co Ltd
Kobe Steel Ltd
Nichias Corp
Original Assignee
Shimizu Construction Co Ltd
Kobe Steel Ltd
Nichias Corp
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 Shimizu Construction Co Ltd, Kobe Steel Ltd, Nichias CorpfiledCriticalShimizu Construction Co Ltd
Priority to JP14709783ApriorityCriticalpatent/JPS6040455A/ja
Publication of JPS6040455ApublicationCriticalpatent/JPS6040455A/ja
Publication of JPH0468428B2publicationCriticalpatent/JPH0468428B2/ja