CA220078A - Perceuse de lentilles - Google Patents

Perceuse de lentilles

Info

Publication number
CA220078A
CA220078A CA220078A CA220078DA CA220078A CA 220078 A CA220078 A CA 220078A CA 220078 A CA220078 A CA 220078A CA 220078D A CA220078D A CA 220078DA CA 220078 A CA220078 A CA 220078A
Authority
CA
Canada
Prior art keywords
lens drill
drill
lens
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
CA220078A
Other languages
English (en)
Inventor
E. Maynard Albert
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 CA220078A publication Critical patent/CA220078A/fr
Expired legal-status Critical Current

Links

CA220078A Perceuse de lentilles Expired CA220078A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA220078T

Publications (1)

Publication Number Publication Date
CA220078A true CA220078A (fr) 1922-06-27

Family

ID=35114522

Family Applications (1)

Application Number Title Priority Date Filing Date
CA220078A Expired CA220078A (fr) Perceuse de lentilles

Country Status (1)

Country Link
CA (1) CA220078A (fr)

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