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
CA781202A
Inventor
Hora Karl
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.)
"canada" Tiefbohrgerate- und Maschinenfabrik Ing S Nadel And A Nadel
Original Assignee
"canada" Tiefbohrgerate- und Maschinenfabrik Ing S Nadel And A Nadel
Publication date
Application grantedgrantedCritical
Publication of CA781202ApublicationCriticalpatent/CA781202A/en