AU222482B2 - Improvements in or relating to projection screen structures - Google Patents

Improvements in or relating to projection screen structures

Info

Publication number
AU222482B2
AU222482B2 AU27219/57A AU2721957A AU222482B2 AU 222482 B2 AU222482 B2 AU 222482B2 AU 27219/57 A AU27219/57 A AU 27219/57A AU 2721957 A AU2721957 A AU 2721957A AU 222482 B2 AU222482 B2 AU 222482B2
Authority
AU
Australia
Prior art keywords
relating
projection screen
screen structures
structures
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
AU27219/57A
Other versions
AU2721957A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU2721957A publication Critical patent/AU2721957A/en
Publication of AU222482B2 publication Critical patent/AU222482B2/en
Expired legal-status Critical Current

Links

AU27219/57A 1957-04-23 Improvements in or relating to projection screen structures Expired AU222482B2 (en)

Publications (2)

Publication Number Publication Date
AU2721957A AU2721957A (en) 1958-10-23
AU222482B2 true AU222482B2 (en) 1958-10-23

Family

ID=

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