AU166937B2 - Improvements relating to projection screens - Google Patents

Improvements relating to projection screens

Info

Publication number
AU166937B2
AU166937B2 AU22974/53A AU2297453A AU166937B2 AU 166937 B2 AU166937 B2 AU 166937B2 AU 22974/53 A AU22974/53 A AU 22974/53A AU 2297453 A AU2297453 A AU 2297453A AU 166937 B2 AU166937 B2 AU 166937B2
Authority
AU
Australia
Prior art keywords
improvements relating
projection screens
screens
projection
relating
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
AU22974/53A
Other versions
AU2297453A (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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU2297453A publication Critical patent/AU2297453A/en
Publication of AU166937B2 publication Critical patent/AU166937B2/en
Expired legal-status Critical Current

Links

AU22974/53A 1953-11-13 Improvements relating to projection screens Expired AU166937B2 (en)

Publications (2)

Publication Number Publication Date
AU2297453A AU2297453A (en) 1954-01-14
AU166937B2 true AU166937B2 (en) 1954-01-14

Family

ID=

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