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
CA875626A
Inventor
Holzgruber Wolfgang
Kleinhagauer Otmar
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.)
Gebrueder Boehler and Co AG
Original Assignee
Gebrueder Boehler and Co AG
Publication date
Application grantedgrantedCritical
Publication of CA875626ApublicationCriticalpatent/CA875626A/en