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AU147927B2 - Improvements in or relating to projection screens - Google Patents
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AU147927B2 - Improvements in or relating to projection screens - Google Patents

Improvements in or relating to projection screens

Info

Publication number
AU147927B2
AU147927B2 AU22556/48A AU2255648A AU147927B2 AU 147927 B2 AU147927 B2 AU 147927B2 AU 22556/48 A AU22556/48 A AU 22556/48A AU 2255648 A AU2255648 A AU 2255648A AU 147927 B2 AU147927 B2 AU 147927B2
Authority
AU
Australia
Prior art keywords
relating
projection screens
screens
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
AU22556/48A
Other versions
AU2255648A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU147927B2 publication Critical patent/AU147927B2/en
Publication of AU2255648A publication Critical patent/AU2255648A/en
Expired legal-status Critical Current

Links

AU22556/48A 1948-08-19 Improvements in or relating to projection screens Expired AU147927B2 (en)

Publications (2)

Publication Number Publication Date
AU147927B2 true AU147927B2 (en) 1948-09-16
AU2255648A AU2255648A (en) 1948-09-16

Family

ID=

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