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
CA867893A
Inventor
Hauer Alfred
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.)
Nikex Nehezipari Kulkereskedelmi Vallalat
Original Assignee
Nikex Nehezipari Kulkereskedelmi Vallalat
Publication date
Application grantedgrantedCritical
Publication of CA867893ApublicationCriticalpatent/CA867893A/en