CA274165A - Projection optique - Google Patents

Projection optique

Info

Publication number
CA274165A
CA274165A CA274165A CA274165DA CA274165A CA 274165 A CA274165 A CA 274165A CA 274165 A CA274165 A CA 274165A CA 274165D A CA274165D A CA 274165DA CA 274165 A CA274165 A CA 274165A
Authority
CA
Canada
Prior art keywords
optical projection
projection
optical
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
CA274165A
Other languages
English (en)
Inventor
Grindell Matthews Harry
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 CA274165A publication Critical patent/CA274165A/fr
Expired legal-status Critical Current

Links

CA274165A Projection optique Expired CA274165A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA274165T

Publications (1)

Publication Number Publication Date
CA274165A true CA274165A (fr) 1927-09-27

Family

ID=35204197

Family Applications (1)

Application Number Title Priority Date Filing Date
CA274165A Expired CA274165A (fr) Projection optique

Country Status (1)

Country Link
CA (1) CA274165A (fr)

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