CA203959A - Projection d'images - Google Patents

Projection d'images

Info

Publication number
CA203959A
CA203959A CA203959A CA203959DA CA203959A CA 203959 A CA203959 A CA 203959A CA 203959 A CA203959 A CA 203959A CA 203959D A CA203959D A CA 203959DA CA 203959 A CA203959 A CA 203959A
Authority
CA
Canada
Prior art keywords
pictures
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
CA203959A
Other languages
English (en)
Inventor
Frederick Robert Troger John
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA203959A publication Critical patent/CA203959A/fr
Expired legal-status Critical Current

Links

CA203959A Projection d'images Expired CA203959A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA203959T

Publications (1)

Publication Number Publication Date
CA203959A true CA203959A (fr) 1920-09-14

Family

ID=35078395

Family Applications (1)

Application Number Title Priority Date Filing Date
CA203959A Expired CA203959A (fr) Projection d'images

Country Status (1)

Country Link
CA (1) CA203959A (fr)

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