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
CA670067A
Inventor
Allemann Hugo
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.)
HUGO ALLEMANN AG
Original Assignee
HUGO ALLEMANN AG
Publication date
Application grantedgrantedCritical
Publication of CA670067ApublicationCriticalpatent/CA670067A/en