Title:
【発明の名称】累進焦点小玉付き多焦点レンズ
Document Type and Number:
Japanese Patent JP2550404
Kind Code:
B2
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Inventors:
OKANO HITOSHI
Application Number:
JP50010088A
Publication Date:
November 06, 1996
Filing Date:
November 25, 1987
Export Citation:
Assignee:
OKANO HITOSHI
International Classes:
G02C7/06; (IPC1-7): G02C7/06
Domestic Patent References:
| JP62183424A | ||||
| JP54104854A | ||||
| JP5749914A | ||||
| JP6127115U | ||||
| JP57180318U |
Attorney, Agent or Firm:
Akira Asamura (3 outside)