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
CA864431A
Inventor
Reymann 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.)
ARBAU BAU- und INDUSTRIEBEDARF
Original Assignee
ARBAU BAU- und INDUSTRIEBEDARF
Publication date
Application grantedgrantedCritical
Publication of CA864431ApublicationCriticalpatent/CA864431A/en