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
CA797510A
Inventor
Hidaka Yasukuni
Tate Takuo
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.)
Sayama Seisakusho KK
Original Assignee
Sayama Seisakusho KK
Publication date
Application grantedgrantedCritical
Publication of CA797510ApublicationCriticalpatent/CA797510A/en