CA492514A - Appareil d'images changeables - Google Patents

Appareil d'images changeables

Info

Publication number
CA492514A
CA492514A CA492514A CA492514DA CA492514A CA 492514 A CA492514 A CA 492514A CA 492514 A CA492514 A CA 492514A CA 492514D A CA492514D A CA 492514DA CA 492514 A CA492514 A CA 492514A
Authority
CA
Canada
Prior art keywords
picture apparatus
changeable picture
changeable
picture
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
CA492514A
Other languages
English (en)
Inventor
C. Engelken Richard
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 CA492514A publication Critical patent/CA492514A/fr
Expired legal-status Critical Current

Links

CA492514A Appareil d'images changeables Expired CA492514A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA492514T

Publications (1)

Publication Number Publication Date
CA492514A true CA492514A (fr) 1953-04-28

Family

ID=35637893

Family Applications (1)

Application Number Title Priority Date Filing Date
CA492514A Expired CA492514A (fr) Appareil d'images changeables

Country Status (1)

Country Link
CA (1) CA492514A (fr)

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