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.)
Expired
Application number
CA903162A
Inventor
Kobayashi Masanori
Kamihira Noboru
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.)
Hattori Tokeiten KK
Original Assignee
Hattori Tokeiten KK
Publication date
Application grantedgrantedCritical
Publication of CA903162ApublicationCriticalpatent/CA903162A/en