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
CA771916A
Inventor
Burger Erich
Kaufer Helmut
Huber Hans-Peter
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
Publication date
Application grantedgrantedCritical
Publication of CA771916ApublicationCriticalpatent/CA771916A/en