AU214577B2 - Improvements in and relating to picture projection screens - Google Patents

Improvements in and relating to picture projection screens

Info

Publication number
AU214577B2
AU214577B2 AU7158/55A AU715855A AU214577B2 AU 214577 B2 AU214577 B2 AU 214577B2 AU 7158/55 A AU7158/55 A AU 7158/55A AU 715855 A AU715855 A AU 715855A AU 214577 B2 AU214577 B2 AU 214577B2
Authority
AU
Australia
Prior art keywords
relating
projection screens
picture projection
picture
screens
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
AU7158/55A
Other versions
AU715855A (en
Inventor
Harbour Anthony
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU214577B2 publication Critical patent/AU214577B2/en
Publication of AU715855A publication Critical patent/AU715855A/en
Expired legal-status Critical Current

Links

AU7158/55A 1955-02-25 Improvements in and relating to picture projection screens Expired AU214577B2 (en)

Publications (2)

Publication Number Publication Date
AU214577B2 true AU214577B2 (en) 1956-08-30
AU715855A AU715855A (en) 1956-08-30

Family

ID=

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