CA257443A - Appareil a rectifier les lentilles - Google Patents

Appareil a rectifier les lentilles

Info

Publication number
CA257443A
CA257443A CA257443A CA257443DA CA257443A CA 257443 A CA257443 A CA 257443A CA 257443 A CA257443 A CA 257443A CA 257443D A CA257443D A CA 257443DA CA 257443 A CA257443 A CA 257443A
Authority
CA
Canada
Prior art keywords
grinding lenses
lenses
grinding
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
CA257443A
Other languages
English (en)
Inventor
J. Fink Edward
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.)
OPTICAL DEVELOPMENT Corp
Original Assignee
OPTICAL DEVELOPMENT Corp
Publication date
Application granted granted Critical
Publication of CA257443A publication Critical patent/CA257443A/fr
Expired legal-status Critical Current

Links

CA257443A Appareil a rectifier les lentilles Expired CA257443A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA257443T

Publications (1)

Publication Number Publication Date
CA257443A true CA257443A (fr) 1926-01-19

Family

ID=35165991

Family Applications (1)

Application Number Title Priority Date Filing Date
CA257443A Expired CA257443A (fr) Appareil a rectifier les lentilles

Country Status (1)

Country Link
CA (1) CA257443A (fr)

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