CA231755A - Projecteur d'images - Google Patents

Projecteur d'images

Info

Publication number
CA231755A
CA231755A CA231755A CA231755DA CA231755A CA 231755 A CA231755 A CA 231755A CA 231755 A CA231755 A CA 231755A CA 231755D A CA231755D A CA 231755DA CA 231755 A CA231755 A CA 231755A
Authority
CA
Canada
Prior art keywords
projection apparatus
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
CA231755A
Other languages
English (en)
Inventor
Evans 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 CA231755A publication Critical patent/CA231755A/fr
Expired legal-status Critical Current

Links

CA231755A Projecteur d'images Expired CA231755A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA231755T

Publications (1)

Publication Number Publication Date
CA231755A true CA231755A (fr) 1923-06-12

Family

ID=35129127

Family Applications (1)

Application Number Title Priority Date Filing Date
CA231755A Expired CA231755A (fr) Projecteur d'images

Country Status (1)

Country Link
CA (1) CA231755A (fr)

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