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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0358497
Kind Code:
B2
Inventors:
MORI IKUJI
IMAI KENZO
Application Number:
JP17270483A
Publication Date:
September 05, 1991
Filing Date:
September 19, 1983
Export Citation:
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Assignee:
SEIKOSHA KK
International Classes:
G02B27/02; G03B23/14