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
CA863320A
Inventor
Schwedhelm Adolf
Fleischer Ulrich
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.)
DR W KAMPSCHULTE AND CIE
Original Assignee
DR W KAMPSCHULTE AND CIE
Publication date
Application grantedgrantedCritical
Publication of CA863320ApublicationCriticalpatent/CA863320A/en