CA401911A - Lens - Google Patents

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Info

Publication number
CA401911A
CA401911A CA401911A CA401911DA CA401911A CA 401911 A CA401911 A CA 401911A CA 401911 A CA401911 A CA 401911A CA 401911D A CA401911D A CA 401911DA CA 401911 A CA401911 A CA 401911A
Authority
CA
Canada
Prior art keywords
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
CA401911A
Other languages
French (fr)
Inventor
D. Beach Howard
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 CA401911A publication Critical patent/CA401911A/en
Expired legal-status Critical Current

Links

CA401911A Lens Expired CA401911A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA401911T

Publications (1)

Publication Number Publication Date
CA401911A true CA401911A (en) 1941-12-30

Family

ID=35412356

Family Applications (1)

Application Number Title Priority Date Filing Date
CA401911A Expired CA401911A (en) Lens

Country Status (1)

Country Link
CA (1) CA401911A (en)

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