Title:
【発明の名称】長焦点対物レンズ
Document Type and Number:
Japanese Patent JP3007658
Kind Code:
B2
Inventors:
Kimoto Michiyo
Yasunori Arai
Yasunori Arai
Application Number:
JP19335290A
Publication Date:
February 07, 2000
Filing Date:
July 20, 1990
Export Citation:
Assignee:
Asahi Optical Co., Ltd.
International Classes:
G02B9/02; (IPC1-7): G02B9/02
Domestic Patent References:
JP5793309A | ||||
JP63187213A | ||||
JP5643617A | ||||
JP267514A | ||||
JP4316877Y1 |
Attorney, Agent or Firm:
Tamio Nishiwaki