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
CA619935A
Inventor
Opderbeck Fritz
Trapp Gunther
Worner Gunter
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.)
Phrix Werke AG
Original Assignee
Phrix Werke AG
Publication date
Application grantedgrantedCritical
Publication of CA619935ApublicationCriticalpatent/CA619935A/en