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
CA603187A
Inventor
Berning Rudolf
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.)
OTTO BERNING AND Co Firma
Original Assignee
OTTO BERNING AND Co Firma
Publication date
Application grantedgrantedCritical
Publication of CA603187ApublicationCriticalpatent/CA603187A/en