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.)
Sumitomo Riko Co Ltd
Original Assignee
Sumitomo Riko 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 Sumitomo Riko Co LtdfiledCriticalSumitomo Riko Co Ltd
Priority to JP1990019188UpriorityCriticalpatent/JP2507250Y2/ja
Publication of JPH03108727UpublicationCriticalpatent/JPH03108727U/ja
Application grantedgrantedCritical
Publication of JP2507250Y2publicationCriticalpatent/JP2507250Y2/ja
