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
CA672392A
Inventor
Janicke Hans
Walter Siegfried
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.)
ThyssenKrupp Industrial Solutions AG
Original Assignee
Friedrich Uhde GmbH
Publication date
Application grantedgrantedCritical
Publication of CA672392ApublicationCriticalpatent/CA672392A/en