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
CA727748A
Inventor
Keller Wolfgang
Schabert Hans-Peter
Sandner Heinrich
Eibert Paul
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 CA727748ApublicationCriticalpatent/CA727748A/en