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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6346672
Kind Code:
B2
Inventors:
YASAKA YASUHIRO
Application Number:
JP11349080A
Publication Date:
September 16, 1988
Filing Date:
August 20, 1980
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
G21D1/02; G21D1/00; H02K44/06