CA299269A - Appareil de projections optiques - Google Patents

Appareil de projections optiques

Info

Publication number
CA299269A
CA299269A CA299269A CA299269DA CA299269A CA 299269 A CA299269 A CA 299269A CA 299269 A CA299269 A CA 299269A CA 299269D A CA299269D A CA 299269DA CA 299269 A CA299269 A CA 299269A
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
CA299269A
Other languages
English (en)
Inventor
Clifford Savage 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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA299269A publication Critical patent/CA299269A/fr
Expired legal-status Critical Current

Links

CA299269A Appareil de projections optiques Expired CA299269A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA299269T

Publications (1)

Publication Number Publication Date
CA299269A true CA299269A (fr) 1930-04-15

Family

ID=35236588

Family Applications (1)

Application Number Title Priority Date Filing Date
CA299269A Expired CA299269A (fr) Appareil de projections optiques

Country Status (1)

Country Link
CA (1) CA299269A (fr)

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