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
CA909581A
Inventor
Hutz Gerhard
Muller 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.)
G Siempelkamp GmbH and Co KG
Original Assignee
G Siempelkamp GmbH and Co KG
Publication date
Application grantedgrantedCritical
Publication of CA909581ApublicationCriticalpatent/CA909581A/en