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
CA806045A
Inventor
Rohm Fritz
Ahrens Wilhelm
Strahle 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.)
DR WALTER U SCHMITT GmbH
Original Assignee
DR WALTER U SCHMITT GmbH
Publication date
Application grantedgrantedCritical
Publication of CA806045ApublicationCriticalpatent/CA806045A/en