CA356091A - Fabrication de verres multifocaux - Google Patents

Fabrication de verres multifocaux

Info

Publication number
CA356091A
CA356091A CA356091A CA356091DA CA356091A CA 356091 A CA356091 A CA 356091A CA 356091 A CA356091 A CA 356091A CA 356091D A CA356091D A CA 356091DA CA 356091 A CA356091 A CA 356091A
Authority
CA
Canada
Prior art keywords
multifocal lens
lens manufacture
manufacture
multifocal
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
CA356091A
Other languages
English (en)
Inventor
H. Hammon James
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
Publication date
Application granted granted Critical
Publication of CA356091A publication Critical patent/CA356091A/fr
Expired legal-status Critical Current

Links

CA356091A Fabrication de verres multifocaux Expired CA356091A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA356091T

Publications (1)

Publication Number Publication Date
CA356091A true CA356091A (fr) 1936-02-25

Family

ID=35344052

Family Applications (1)

Application Number Title Priority Date Filing Date
CA356091A Expired CA356091A (fr) Fabrication de verres multifocaux

Country Status (1)

Country Link
CA (1) CA356091A (fr)

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