CA172924A - Procede de taille et de polissage de lentilles - Google Patents

Procede de taille et de polissage de lentilles

Info

Publication number
CA172924A
CA172924A CA000172924A CA172924DA CA172924A CA 172924 A CA172924 A CA 172924A CA 000172924 A CA000172924 A CA 000172924A CA 172924D A CA172924D A CA 172924DA CA 172924 A CA172924 A CA 172924A
Authority
CA
Canada
Prior art keywords
lense
grinding
polishing process
polishing
lense 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
CA000172924A
Other languages
English (en)
Inventor
Frank Volk
Alexander Copeland Robertson
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA172924A publication Critical patent/CA172924A/fr
Expired legal-status Critical Current

Links

CA000172924A 1916-04-25 1916-04-25 Procede de taille et de polissage de lentilles Expired CA172924A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA172924T 1916-04-25

Publications (1)

Publication Number Publication Date
CA172924A true CA172924A (fr) 1916-10-31

Family

ID=45292577

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000172924A Expired CA172924A (fr) 1916-04-25 1916-04-25 Procede de taille et de polissage de lentilles

Country Status (1)

Country Link
CA (1) CA172924A (fr)

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