CA558879A - Dispositifs d'essai de lentille - Google Patents

Dispositifs d'essai de lentille

Info

Publication number
CA558879A
CA558879A CA558879A CA558879DA CA558879A CA 558879 A CA558879 A CA 558879A CA 558879 A CA558879 A CA 558879A CA 558879D A CA558879D A CA 558879DA CA 558879 A CA558879 A CA 558879A
Authority
CA
Canada
Prior art keywords
testing devices
lens testing
lens
devices
testing
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
CA558879A
Other languages
English (en)
Inventor
B. Whitney Donald
H. Wing James
E. Haynes Robert
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 CA558879A publication Critical patent/CA558879A/fr
Expired legal-status Critical Current

Links

CA558879A Dispositifs d'essai de lentille Expired CA558879A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA558879T

Publications (1)

Publication Number Publication Date
CA558879A true CA558879A (fr) 1958-06-17

Family

ID=35725288

Family Applications (1)

Application Number Title Priority Date Filing Date
CA558879A Expired CA558879A (fr) Dispositifs d'essai de lentille

Country Status (1)

Country Link
CA (1) CA558879A (fr)

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