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CA471308A - Cylindres a lentilles - Google Patents

Cylindres a lentilles

Info

Publication number
CA471308A
CA471308A CA471308A CA471308DA CA471308A CA 471308 A CA471308 A CA 471308A CA 471308 A CA471308 A CA 471308A CA 471308D A CA471308D A CA 471308DA CA 471308 A CA471308 A CA 471308A
Authority
CA
Canada
Prior art keywords
lens barrels
barrels
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
CA471308A
Other languages
English (en)
Inventor
Washam Joseph
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.)
DE VRY Corp
Original Assignee
DE VRY Corp
Publication date
Application granted granted Critical
Publication of CA471308A publication Critical patent/CA471308A/fr
Expired legal-status Critical Current

Links

CA471308A Cylindres a lentilles Expired CA471308A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA471308T

Publications (1)

Publication Number Publication Date
CA471308A true CA471308A (fr) 1951-02-06

Family

ID=35605254

Family Applications (1)

Application Number Title Priority Date Filing Date
CA471308A Expired CA471308A (fr) Cylindres a lentilles

Country Status (1)

Country Link
CA (1) CA471308A (fr)

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