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
CA664269A
Inventor
Wetzger Joachim
Neumann Friedrich-Wilhelm
Wiesner Alfred
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.)
Siemens Schuckertwerke AG
Original Assignee
Siemens Schuckertwerke AG
Publication date
Application grantedgrantedCritical
Publication of CA664269ApublicationCriticalpatent/CA664269A/en