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
CA889213A
Inventor
Kuntze Ernst
Zander Wilhelm
Zander Bernd
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-Ing W Zander Gesellschaft fur Rein- und Abwassertechnik Mb h Firma
Original Assignee
Dr-Ing W Zander Gesellschaft fur Rein- und Abwassertechnik Mb h Firma
Publication date
Application grantedgrantedCritical
Publication of CA889213ApublicationCriticalpatent/CA889213A/en