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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0440693
Kind Code:
B2
Inventors:
ISE HIROSHI
Application Number:
JP9553881A
Publication Date:
July 03, 1992
Filing Date:
June 21, 1981
Export Citation:
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Assignee:
ISE HIROSHI
International Classes:
G02C11/00; G02C3/00