CA420249A - Appareil a projections optiques - Google Patents

Appareil a projections optiques

Info

Publication number
CA420249A
CA420249A CA420249A CA420249DA CA420249A CA 420249 A CA420249 A CA 420249A CA 420249 A CA420249 A CA 420249A CA 420249D A CA420249D A CA 420249DA CA 420249 A CA420249 A CA 420249A
Authority
CA
Canada
Prior art keywords
projection apparatus
optical projection
optical
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
CA420249A
Other languages
English (en)
Inventor
Denzil Wibmer Martin
George Mander Holbrow Edwin
Parsons Atkins Percy
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Publication date
Application granted granted Critical
Publication of CA420249A publication Critical patent/CA420249A/fr
Expired legal-status Critical Current

Links

CA420249A Appareil a projections optiques Expired CA420249A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA420249T

Publications (1)

Publication Number Publication Date
CA420249A true CA420249A (fr) 1944-05-16

Family

ID=35531173

Family Applications (1)

Application Number Title Priority Date Filing Date
CA420249A Expired CA420249A (fr) Appareil a projections optiques

Country Status (1)

Country Link
CA (1) CA420249A (fr)

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