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CA216231A - Porte-lentilles - Google Patents

Porte-lentilles

Info

Publication number
CA216231A
CA216231A CA216231A CA216231DA CA216231A CA 216231 A CA216231 A CA 216231A CA 216231 A CA216231 A CA 216231A CA 216231D A CA216231D A CA 216231DA CA 216231 A CA216231 A CA 216231A
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
CA216231A
Other languages
English (en)
Inventor
W. Hill 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.)
American Optical Corp
Original Assignee
American Optical Corp
Publication date
Application granted granted Critical
Publication of CA216231A publication Critical patent/CA216231A/fr
Expired legal-status Critical Current

Links

CA216231A Porte-lentilles Expired CA216231A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA216231T

Publications (1)

Publication Number Publication Date
CA216231A true CA216231A (fr) 1922-02-28

Family

ID=35110675

Family Applications (1)

Application Number Title Priority Date Filing Date
CA216231A Expired CA216231A (fr) Porte-lentilles

Country Status (1)

Country Link
CA (1) CA216231A (fr)

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