Title:
【発明の名称】インナーフォーカス式の望遠レンズ
Document Type and Number:
Japanese Patent JP3041987
Kind Code:
B2
Inventors:
Hiroshi Endo
Application Number:
JP3806991A
Publication Date:
May 15, 2000
Filing Date:
February 07, 1991
Export Citation:
Assignee:
Canon Inc
International Classes:
G02B13/02; (IPC1-7): G02B13/02
Domestic Patent References:
JP56159613A | ||||
JP62124515A | ||||
JP63208816A | ||||
JP55147606A | ||||
JP4238311A |
Attorney, Agent or Firm:
Yukio Takanashi
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