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
CA749369A
Inventor
Ludwicki Zbigniew
Pieta Stanislaw
Pietrzak Wiktor
Izdebski Jozef
Jozwiak Helena
Poradowski Stanislaw
Labedzki Stefan
Biniecki Stanislaw
Chachula Stanislaw
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.)