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
CA863246A
Inventor
K. Ernst Rolf
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.)
Maschinenfabrik Hennecke GmbH
Bayer Corp
Original Assignee
Maschinenfabrik Hennecke GmbH
Mobay Corp
Publication date
Application grantedgrantedCritical
Publication of CA863246ApublicationCriticalpatent/CA863246A/en