CA345719A - Appareil a projection optique - Google Patents

Appareil a projection optique

Info

Publication number
CA345719A
CA345719A CA345719A CA345719DA CA345719A CA 345719 A CA345719 A CA 345719A CA 345719 A CA345719 A CA 345719A CA 345719D A CA345719D A CA 345719DA CA 345719 A CA345719 A CA 345719A
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
CA345719A
Other languages
English (en)
Inventor
Faraday Campbell Pollard Alan
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 CA345719A publication Critical patent/CA345719A/fr
Expired legal-status Critical Current

Links

CA345719A Appareil a projection optique Expired CA345719A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA345719T

Publications (1)

Publication Number Publication Date
CA345719A true CA345719A (fr) 1934-10-30

Family

ID=35316993

Family Applications (1)

Application Number Title Priority Date Filing Date
CA345719A Expired CA345719A (fr) Appareil a projection optique

Country Status (1)

Country Link
CA (1) CA345719A (fr)

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