CA345407A - Appareil de projection optique - Google Patents

Appareil de projection optique

Info

Publication number
CA345407A
CA345407A CA345407A CA345407DA CA345407A CA 345407 A CA345407 A CA 345407A CA 345407 A CA345407 A CA 345407A CA 345407D A CA345407D A CA 345407DA CA 345407 A CA345407 A CA 345407A
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
CA345407A
Other languages
English (en)
Inventor
Philip Orde Godfrey
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.)
SKY PUBLICITY Ltd
Original Assignee
SKY PUBLICITY Ltd
Publication date
Application granted granted Critical
Publication of CA345407A publication Critical patent/CA345407A/fr
Expired legal-status Critical Current

Links

CA345407A Appareil de projection optique Expired CA345407A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA345407T

Publications (1)

Publication Number Publication Date
CA345407A true CA345407A (fr) 1934-10-16

Family

ID=35316680

Family Applications (1)

Application Number Title Priority Date Filing Date
CA345407A Expired CA345407A (fr) Appareil de projection optique

Country Status (1)

Country Link
CA (1) CA345407A (fr)

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