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.)
Asahi Concrete Works Co Ltd
Original Assignee
Asahi Concrete Works 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 Asahi Concrete Works Co LtdfiledCriticalAsahi Concrete Works Co Ltd
Priority to JP8877590UpriorityCriticalpatent/JPH0647685Y2/ja
Publication of JPH0447013UpublicationCriticalpatent/JPH0447013U/ja
Application grantedgrantedCritical
Publication of JPH0647685Y2publicationCriticalpatent/JPH0647685Y2/ja
