CA437996A - Objectif compose - Google Patents

Objectif compose

Info

Publication number
CA437996A
CA437996A CA437996A CA437996DA CA437996A CA 437996 A CA437996 A CA 437996A CA 437996 A CA437996 A CA 437996A CA 437996D A CA437996D A CA 437996DA CA 437996 A CA437996 A CA 437996A
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
CA437996A
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 CA437996A publication Critical patent/CA437996A/fr
Expired legal-status Critical Current

Links

CA437996A Objectif compose Expired CA437996A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA437996T

Publications (1)

Publication Number Publication Date
CA437996A true CA437996A (fr) 1946-11-19

Family

ID=35553231

Family Applications (1)

Application Number Title Priority Date Filing Date
CA437996A Expired CA437996A (fr) Objectif compose

Country Status (1)

Country Link
CA (1) CA437996A (fr)

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