CA549358A - Opaque projector - Google Patents

Opaque projector

Info

Publication number
CA549358A
CA549358A CA549358A CA549358DA CA549358A CA 549358 A CA549358 A CA 549358A CA 549358 A CA549358 A CA 549358A CA 549358D A CA549358D A CA 549358DA CA 549358 A CA549358 A CA 549358A
Authority
CA
Canada
Prior art keywords
opaque projector
projector
opaque
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
CA549358A
Other languages
French (fr)
Inventor
Bersudsky Sidney
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.)
KELTON CORP Ltd
Original Assignee
KELTON CORP Ltd
Publication date
Application granted granted Critical
Publication of CA549358A publication Critical patent/CA549358A/en
Expired legal-status Critical Current

Links

CA549358A Opaque projector Expired CA549358A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA549358T

Publications (1)

Publication Number Publication Date
CA549358A true CA549358A (en) 1957-11-26

Family

ID=35710736

Family Applications (1)

Application Number Title Priority Date Filing Date
CA549358A Expired CA549358A (en) Opaque projector

Country Status (1)

Country Link
CA (1) CA549358A (en)

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