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
CA623831A
Inventor
Pape Hans-Martin
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.)
Gustav F Gerdts KG
Original Assignee
Gustav F Gerdts KG
Publication date
Application grantedgrantedCritical
Publication of CA623831ApublicationCriticalpatent/CA623831A/en