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
CA851848A
Inventor
H. Olofsson Erik
S. Arnrup Borje
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.)
BILLMAN-REGULATOR AB
Original Assignee
BILLMAN-REGULATOR AB
Publication date
Application grantedgrantedCritical
Publication of CA851848ApublicationCriticalpatent/CA851848A/en