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
CA854970A
Inventor
Munnich Karl
W. Minikes Hans
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.)
EUROGRAPH GESELLSCHAFT fur PHOTOMECHANIK MBH
Original Assignee
EUROGRAPH GESELLSCHAFT fur PHOTOMECHANIK MBH
Publication date
Application grantedgrantedCritical
Publication of CA854970ApublicationCriticalpatent/CA854970A/en