CA917476A - Refraction measuring apparatus - Google Patents

Refraction measuring apparatus

Info

Publication number
CA917476A
CA917476A CA917476A CA917476DA CA917476A CA 917476 A CA917476 A CA 917476A CA 917476 A CA917476 A CA 917476A CA 917476D A CA917476D A CA 917476DA CA 917476 A CA917476 A CA 917476A
Authority
CA
Canada
Prior art keywords
measuring apparatus
refraction measuring
refraction
measuring
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
CA917476A
Inventor
J. Koester Charles
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 CA917476A publication Critical patent/CA917476A/en
Expired legal-status Critical Current

Links

CA917476A Refraction measuring apparatus Expired CA917476A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA917476T

Publications (1)

Publication Number Publication Date
CA917476A true CA917476A (en) 1972-12-26

Family

ID=36426674

Family Applications (1)

Application Number Title Priority Date Filing Date
CA917476A Expired CA917476A (en) Refraction measuring apparatus

Country Status (1)

Country Link
CA (1) CA917476A (en)

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