CA528956A - Appareil a viser des projections - Google Patents

Appareil a viser des projections

Info

Publication number
CA528956A
CA528956A CA528956A CA528956DA CA528956A CA 528956 A CA528956 A CA 528956A CA 528956 A CA528956 A CA 528956A CA 528956D A CA528956D A CA 528956DA CA 528956 A CA528956 A CA 528956A
Authority
CA
Canada
Prior art keywords
slide viewer
viewer
slide
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
CA528956A
Other languages
English (en)
Inventor
R. Miles 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.)
MICHAEL S WOLK
Original Assignee
MICHAEL S WOLK
Publication date
Application granted granted Critical
Publication of CA528956A publication Critical patent/CA528956A/fr
Expired legal-status Critical Current

Links

CA528956A Appareil a viser des projections Expired CA528956A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA528956T

Publications (1)

Publication Number Publication Date
CA528956A true CA528956A (fr) 1956-08-07

Family

ID=35682700

Family Applications (1)

Application Number Title Priority Date Filing Date
CA528956A Expired CA528956A (fr) Appareil a viser des projections

Country Status (1)

Country Link
CA (1) CA528956A (fr)

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