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
CA881400A
Inventor
Schnell Manfred
Weidt Carl-Adolf
Schafer Manfred
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.)
Fritz Schaefer GmbH
Original Assignee
Fritz Schaefer GmbH
Publication date
Application grantedgrantedCritical
Publication of CA881400ApublicationCriticalpatent/CA881400A/en