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
CA791669A
Inventor
Kraessig Hans
Bellvila Ricardo
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.)
Heberlein and Co AG
Original Assignee
Heberlein and Co AG
Publication date
Application grantedgrantedCritical
Publication of CA791669ApublicationCriticalpatent/CA791669A/en