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
CA607041A
Inventor
Nilsson Gunnar
Bredsberg Oskar
I. Karlsson Bengt
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.)
TRAFIK- AND VAGMARKEN AB
Original Assignee
TRAFIK- AND VAGMARKEN AB
Publication date
Application grantedgrantedCritical
Publication of CA607041ApublicationCriticalpatent/CA607041A/en