CA214149A - Procede d'essai des lentilles - Google Patents

Procede d'essai des lentilles

Info

Publication number
CA214149A
CA214149A CA214149A CA214149DA CA214149A CA 214149 A CA214149 A CA 214149A CA 214149 A CA214149 A CA 214149A CA 214149D A CA214149D A CA 214149DA CA 214149 A CA214149 A CA 214149A
Authority
CA
Canada
Prior art keywords
testing process
lens testing
lens
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
CA214149A
Other languages
English (en)
Inventor
A. Laabs Max
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 CA214149A publication Critical patent/CA214149A/fr
Expired legal-status Critical Current

Links

CA214149A Procede d'essai des lentilles Expired CA214149A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA214149T

Publications (1)

Publication Number Publication Date
CA214149A true CA214149A (fr) 1921-11-08

Family

ID=35108593

Family Applications (1)

Application Number Title Priority Date Filing Date
CA214149A Expired CA214149A (fr) Procede d'essai des lentilles

Country Status (1)

Country Link
CA (1) CA214149A (fr)

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