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AU110544B2 - Improvements in optical projection apparatus - Google Patents

Improvements in optical projection apparatus

Info

Publication number
AU110544B2
AU110544B2 AU2888/39A AU288839A AU110544B2 AU 110544 B2 AU110544 B2 AU 110544B2 AU 2888/39 A AU2888/39 A AU 2888/39A AU 288839 A AU288839 A AU 288839A AU 110544 B2 AU110544 B2 AU 110544B2
Authority
AU
Australia
Prior art keywords
projection apparatus
optical projection
optical
projection
Prior art date
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
AU2888/39A
Other versions
AU288839A (en
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.)
General Electric Co
Original Assignee
General Electric Co
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of AU288839A publication Critical patent/AU288839A/en
Publication of AU110544B2 publication Critical patent/AU110544B2/en
Expired legal-status Critical Current

Links

AU2888/39A 1939-06-27 Improvements in optical projection apparatus Expired AU110544B2 (en)

Publications (2)

Publication Number Publication Date
AU288839A AU288839A (en) 1940-05-23
AU110544B2 true AU110544B2 (en) 1940-05-23

Family

ID=

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