CA486846A - Objectifs composes - Google Patents

Objectifs composes

Info

Publication number
CA486846A
CA486846A CA486846A CA486846DA CA486846A CA 486846 A CA486846 A CA 486846A CA 486846 A CA486846 A CA 486846A CA 486846D A CA486846D A CA 486846DA CA 486846 A CA486846 A CA 486846A
Authority
CA
Canada
Prior art keywords
compound lenses
lenses
compound
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
CA486846A
Other languages
English (en)
Inventor
L. Kropa 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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
Publication date
Application granted granted Critical
Publication of CA486846A publication Critical patent/CA486846A/fr
Expired legal-status Critical Current

Links

CA486846A Objectifs composes Expired CA486846A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA486846T

Publications (1)

Publication Number Publication Date
CA486846A true CA486846A (fr) 1952-09-30

Family

ID=35626562

Family Applications (1)

Application Number Title Priority Date Filing Date
CA486846A Expired CA486846A (fr) Objectifs composes

Country Status (1)

Country Link
CA (1) CA486846A (fr)

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