AU1666928A - Improvements in or relating to optical projection screens - Google Patents

Improvements in or relating to optical projection screens

Info

Publication number
AU1666928A
AU1666928A AU16669/28A AU1666928A AU1666928A AU 1666928 A AU1666928 A AU 1666928A AU 16669/28 A AU16669/28 A AU 16669/28A AU 1666928 A AU1666928 A AU 1666928A AU 1666928 A AU1666928 A AU 1666928A
Authority
AU
Australia
Prior art keywords
relating
optical projection
projection screens
screens
optical
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
AU16669/28A
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 AU1666928A publication Critical patent/AU1666928A/en
Expired legal-status Critical Current

Links

AU16669/28A 1928-11-08 Improvements in or relating to optical projection screens Expired AU1666928A (en)

Publications (1)

Publication Number Publication Date
AU1666928A true AU1666928A (en) 1929-07-16

Family

ID=

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