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
CA846842A
Inventor
Baltes Josef
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.)
HARBURGER OELWERKE BRINCKMAN AND MERGELL
Original Assignee
HARBURGER OELWERKE BRINCKMAN AND MERGELL
Publication date
Application grantedgrantedCritical
Publication of CA846842ApublicationCriticalpatent/CA846842A/en