CA869629A - Photographic-exposure device for the manufacture of separate display screens for cathode ray tubes for the display in colour of images
- Google Patents
Photographic-exposure device for the manufacture of separate display screens for cathode ray tubes for the display in colour of images
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
CA869629A
Inventor
A. Van Leeuwen Johannes
Timmermans Abraham
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Publication date
Application grantedgrantedCritical
Publication of CA869629ApublicationCriticalpatent/CA869629A/en
CA869629APhotographic-exposure device for the manufacture of separate display screens for cathode ray tubes for the display in colour of images
ExpiredCA869629A
(en)