CA416500A - Ecran pour projection d'images - Google Patents

Ecran pour projection d'images

Info

Publication number
CA416500A
CA416500A CA416500A CA416500DA CA416500A CA 416500 A CA416500 A CA 416500A CA 416500 A CA416500 A CA 416500A CA 416500D A CA416500D A CA 416500DA CA 416500 A CA416500 A CA 416500A
Authority
CA
Canada
Prior art keywords
screen
projections
picture
picture projections
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
CA416500A
Other languages
English (en)
Inventor
Waller Fred
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.)
VITARAMA Corp
Original Assignee
VITARAMA Corp
Publication date
Application granted granted Critical
Publication of CA416500A publication Critical patent/CA416500A/fr
Expired legal-status Critical Current

Links

CA416500A Ecran pour projection d'images Expired CA416500A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA416500T

Publications (1)

Publication Number Publication Date
CA416500A true CA416500A (fr) 1943-11-16

Family

ID=35525724

Family Applications (1)

Application Number Title Priority Date Filing Date
CA416500A Expired CA416500A (fr) Ecran pour projection d'images

Country Status (1)

Country Link
CA (1) CA416500A (fr)

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