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
CA616891A
Inventor
Dubsky Borivoj
Straka Oldrich
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.)
VYSKUMNY A ZKUSEBNI LETECKY USTAV
Original Assignee
VYSKUMNY A ZKUSEBNI LETECKY USTAV
Publication date
Application grantedgrantedCritical
Publication of CA616891ApublicationCriticalpatent/CA616891A/en