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CA223496A - Stereopticon - Google Patents

Stereopticon

Info

Publication number
CA223496A
CA223496A CA223496A CA223496DA CA223496A CA 223496 A CA223496 A CA 223496A CA 223496 A CA223496 A CA 223496A CA 223496D A CA223496D A CA 223496DA CA 223496 A CA223496 A CA 223496A
Authority
CA
Canada
Prior art keywords
stereopticon
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
CA223496A
Other languages
English (en)
Inventor
R. Mengal William
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 CA223496A publication Critical patent/CA223496A/fr
Expired legal-status Critical Current

Links

CA223496A Stereopticon Expired CA223496A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA223496T

Publications (1)

Publication Number Publication Date
CA223496A true CA223496A (fr) 1922-09-12

Family

ID=35119099

Family Applications (1)

Application Number Title Priority Date Filing Date
CA223496A Expired CA223496A (fr) Stereopticon

Country Status (1)

Country Link
CA (1) CA223496A (fr)

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