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
CA692422A
Inventor
F. Honsel Hans
Helling Werner
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.)
Merkur Metallwerk GmbH
Original Assignee
Merkur Metallwerk GmbH
Publication date
Application grantedgrantedCritical
Publication of CA692422ApublicationCriticalpatent/CA692422A/en