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
CA747832A
Inventor
Heyl Gerhard
Marusczyk Heinrich
Brenneisen Udo
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 NV
Original Assignee
Agfa AG
Publication date
Application grantedgrantedCritical
Publication of CA747832ApublicationCriticalpatent/CA747832A/en