AU2151229A - Improvements in or relating to optical projection apparatus - Google Patents

Improvements in or relating to optical projection apparatus

Info

Publication number
AU2151229A
AU2151229A AU21512/29A AU2151229A AU2151229A AU 2151229 A AU2151229 A AU 2151229A AU 21512/29 A AU21512/29 A AU 21512/29A AU 2151229 A AU2151229 A AU 2151229A AU 2151229 A AU2151229 A AU 2151229A
Authority
AU
Australia
Prior art keywords
relating
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
AU21512/29A
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of AU2151229A publication Critical patent/AU2151229A/en
Expired legal-status Critical Current

Links

AU21512/29A 1929-07-30 Improvements in or relating to optical projection apparatus Expired AU2151229A (en)

Publications (1)

Publication Number Publication Date
AU2151229A true AU2151229A (en) 1930-08-12

Family

ID=

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