CA422439A - Porte-lentilles - Google Patents

Porte-lentilles

Info

Publication number
CA422439A
CA422439A CA422439A CA422439DA CA422439A CA 422439 A CA422439 A CA 422439A CA 422439 A CA422439 A CA 422439A CA 422439D A CA422439D A CA 422439DA CA 422439 A CA422439 A CA 422439A
Authority
CA
Canada
Prior art keywords
lens holder
lens
holder
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
CA422439A
Other languages
English (en)
Inventor
J. Joyce William
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 CA422439A publication Critical patent/CA422439A/fr
Expired legal-status Critical Current

Links

CA422439A Porte-lentilles Expired CA422439A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA422439T

Publications (1)

Publication Number Publication Date
CA422439A true CA422439A (fr) 1944-09-05

Family

ID=35533430

Family Applications (1)

Application Number Title Priority Date Filing Date
CA422439A Expired CA422439A (fr) Porte-lentilles

Country Status (1)

Country Link
CA (1) CA422439A (fr)

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