CA431253A - Ecran de projecteur - Google Patents

Ecran de projecteur

Info

Publication number
CA431253A
CA431253A CA431253A CA431253DA CA431253A CA 431253 A CA431253 A CA 431253A CA 431253 A CA431253 A CA 431253A CA 431253D A CA431253D A CA 431253DA CA 431253 A CA431253 A CA 431253A
Authority
CA
Canada
Prior art keywords
projector screen
projector
screen
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
CA431253A
Other languages
English (en)
Inventor
E. Musebeck George
P. Bennett Frank
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.)
MUSEBECK SHOE Co
Original Assignee
MUSEBECK SHOE Co
Publication date
Application granted granted Critical
Publication of CA431253A publication Critical patent/CA431253A/fr
Expired legal-status Critical Current

Links

CA431253A Ecran de projecteur Expired CA431253A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA431253T

Publications (1)

Publication Number Publication Date
CA431253A true CA431253A (fr) 1945-11-13

Family

ID=35546291

Family Applications (1)

Application Number Title Priority Date Filing Date
CA431253A Expired CA431253A (fr) Ecran de projecteur

Country Status (1)

Country Link
CA (1) CA431253A (fr)

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