CA521275A - Support d'ecran de projection - Google Patents

Support d'ecran de projection

Info

Publication number
CA521275A
CA521275A CA521275A CA521275DA CA521275A CA 521275 A CA521275 A CA 521275A CA 521275 A CA521275 A CA 521275A CA 521275D A CA521275D A CA 521275DA CA 521275 A CA521275 A CA 521275A
Authority
CA
Canada
Prior art keywords
picture screen
screen stand
stand
picture
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
CA521275A
Other languages
English (en)
Inventor
J. Dumais Leo
J. Prokop 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.)
DA LITE SCREEN CO Inc
Original Assignee
DA-LITE SCREEN Co
Publication date
Application granted granted Critical
Publication of CA521275A publication Critical patent/CA521275A/fr
Expired legal-status Critical Current

Links

CA521275A Support d'ecran de projection Expired CA521275A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA521275T

Publications (1)

Publication Number Publication Date
CA521275A true CA521275A (fr) 1956-01-31

Family

ID=35674497

Family Applications (1)

Application Number Title Priority Date Filing Date
CA521275A Expired CA521275A (fr) Support d'ecran de projection

Country Status (1)

Country Link
CA (1) CA521275A (fr)

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