CA481766A - Lentilles - Google Patents

Lentilles

Info

Publication number
CA481766A
CA481766A CA481766A CA481766DA CA481766A CA 481766 A CA481766 A CA 481766A CA 481766 A CA481766 A CA 481766A CA 481766D A CA481766D A CA 481766DA CA 481766 A CA481766 A CA 481766A
Authority
CA
Canada
Prior art keywords
lenses
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
CA481766A
Other languages
English (en)
Inventor
James Birchall Henry
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 CA481766A publication Critical patent/CA481766A/fr
Expired legal-status Critical Current

Links

CA481766A Lentilles Expired CA481766A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA481766T

Publications (1)

Publication Number Publication Date
CA481766A true CA481766A (fr) 1952-03-18

Family

ID=35621454

Family Applications (1)

Application Number Title Priority Date Filing Date
CA481766A Expired CA481766A (fr) Lentilles

Country Status (1)

Country Link
CA (1) CA481766A (fr)

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