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
CA621050A
Inventor
Odenthal Hans
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.)
FA BELZER-WERK R BELZER
Original Assignee
FA BELZER-WERK R BELZER
Publication date
Application grantedgrantedCritical
Publication of CA621050ApublicationCriticalpatent/CA621050A/en