CA437995A - Objectif compose - Google Patents

Objectif compose

Info

Publication number
CA437995A
CA437995A CA437995A CA437995DA CA437995A CA 437995 A CA437995 A CA 437995A CA 437995 A CA437995 A CA 437995A CA 437995D A CA437995D A CA 437995DA CA 437995 A CA437995 A CA 437995A
Authority
CA
Canada
Prior art keywords
compound lens
lens
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
CA437995A
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 CA437995A publication Critical patent/CA437995A/fr
Expired legal-status Critical Current

Links

CA437995A Objectif compose Expired CA437995A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA437995T

Publications (1)

Publication Number Publication Date
CA437995A true CA437995A (fr) 1946-11-19

Family

ID=35553230

Family Applications (1)

Application Number Title Priority Date Filing Date
CA437995A Expired CA437995A (fr) Objectif compose

Country Status (1)

Country Link
CA (1) CA437995A (fr)

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