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
CA834392A
Inventor
Krieger Friedrich
Toussaint Hans-Norbert
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 AG
Original Assignee
Siemens AG
Publication date
Application grantedgrantedCritical
Publication of CA834392ApublicationCriticalpatent/CA834392A/en