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
CA745855A
Inventor
H. Stiel Karl
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.)
Gunther Wagner Verwaltungs-Gesellschaft Mbh
Original Assignee
Gunther Wagner Verwaltungs-Gesellschaft Mbh
Publication date
Application grantedgrantedCritical
Publication of CA745855ApublicationCriticalpatent/CA745855A/en