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
CA911193A
Inventor
Querfeld Hermann
Flesch Friedrich
O. Mattes Heinz
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.)
Max Langensiepen KG
Original Assignee
Max Langensiepen KG
Publication date
Application grantedgrantedCritical
Publication of CA911193ApublicationCriticalpatent/CA911193A/en