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.)
Yamazaki Co Ltd
Asahi Chemical Industry Co Ltd
Toshiba Jutaku Sangyo KK
Original Assignee
Yamazaki Co Ltd
Asahi Chemical Industry Co Ltd
Toshiba Jutaku Sangyo 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 Yamazaki Co Ltd, Asahi Chemical Industry Co Ltd, Toshiba Jutaku Sangyo KKfiledCriticalYamazaki Co Ltd
Priority to JP29984387ApriorityCriticalpatent/JPH01145411A/ja
Publication of JPH01145411ApublicationCriticalpatent/JPH01145411A/ja
Publication of JPH0465252B2publicationCriticalpatent/JPH0465252B2/ja