CA214973A - Procede de fabrication de lentilles - Google Patents

Procede de fabrication de lentilles

Info

Publication number
CA214973A
CA214973A CA214973A CA214973DA CA214973A CA 214973 A CA214973 A CA 214973A CA 214973 A CA214973 A CA 214973A CA 214973D A CA214973D A CA 214973DA CA 214973 A CA214973 A CA 214973A
Authority
CA
Canada
Prior art keywords
manufacturing lens
lens
manufacturing
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
CA214973A
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 CA214973A publication Critical patent/CA214973A/fr
Expired legal-status Critical Current

Links

CA214973A Procede de fabrication de lentilles Expired CA214973A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA214973T

Publications (1)

Publication Number Publication Date
CA214973A true CA214973A (fr) 1922-01-03

Family

ID=35109417

Family Applications (1)

Application Number Title Priority Date Filing Date
CA214973A Expired CA214973A (fr) Procede de fabrication de lentilles

Country Status (1)

Country Link
CA (1) CA214973A (fr)

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