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
CA862002A
Inventor
Takashima Masaru
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.)
AIKOU KOGYO KAISHA Ltd
Original Assignee
AIKOU KOGYO KAISHA Ltd
Publication date
Application grantedgrantedCritical
Publication of CA862002ApublicationCriticalpatent/CA862002A/en