CA491162A - Optical apparatus - Google Patents

Optical apparatus

Info

Publication number
CA491162A
CA491162A CA491162A CA491162DA CA491162A CA 491162 A CA491162 A CA 491162A CA 491162 A CA491162 A CA 491162A CA 491162D A CA491162D A CA 491162DA CA 491162 A CA491162 A CA 491162A
Authority
CA
Canada
Prior art keywords
optical apparatus
optical
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
CA491162A
Other languages
French (fr)
Inventor
Villiers Briscoe Hugh
Cecil Byng Robert
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.)
GRANT PRODUCTION Co Ltd
Original Assignee
GRANT PRODUCTION Co Ltd
Publication date
Application granted granted Critical
Publication of CA491162A publication Critical patent/CA491162A/en
Expired legal-status Critical Current

Links

CA491162A Optical apparatus Expired CA491162A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA491162T

Publications (1)

Publication Number Publication Date
CA491162A true CA491162A (en) 1953-03-10

Family

ID=35630902

Family Applications (1)

Application Number Title Priority Date Filing Date
CA491162A Expired CA491162A (en) Optical apparatus

Country Status (1)

Country Link
CA (1) CA491162A (en)

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