CA548933A - Loupes de projection - Google Patents

Loupes de projection

Info

Publication number
CA548933A
CA548933A CA548933A CA548933DA CA548933A CA 548933 A CA548933 A CA 548933A CA 548933 A CA548933 A CA 548933A CA 548933D A CA548933D A CA 548933DA CA 548933 A CA548933 A CA 548933A
Authority
CA
Canada
Prior art keywords
magnifiers
projection
projection magnifiers
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
CA548933A
Other languages
English (en)
Inventor
T. Armbruster 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.)
American Optical Corp
Original Assignee
American Optical Corp
Publication date
Application granted granted Critical
Publication of CA548933A publication Critical patent/CA548933A/fr
Expired legal-status Critical Current

Links

CA548933A Loupes de projection Expired CA548933A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA548933T

Publications (1)

Publication Number Publication Date
CA548933A true CA548933A (fr) 1957-11-19

Family

ID=35710306

Family Applications (1)

Application Number Title Priority Date Filing Date
CA548933A Expired CA548933A (fr) Loupes de projection

Country Status (1)

Country Link
CA (1) CA548933A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3817613A (en) * 1971-07-27 1974-06-18 A Cinque Optical enlarging device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3817613A (en) * 1971-07-27 1974-06-18 A Cinque Optical enlarging device

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