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
CA682323A
Inventor
Weichart Gunter
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.)
Kali Forschungs Anstalt GmbH
Original Assignee
Kali Forschungs Anstalt GmbH
Publication date
Application grantedgrantedCritical
Publication of CA682323ApublicationCriticalpatent/CA682323A/en