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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6142354
Kind Code:
B2
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Inventors:
SATO HISAO
Application Number:
JP18466181A
Publication Date:
September 20, 1986
Filing Date:
November 18, 1981
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Assignee:
SUWA SEIKOSHA KK
International Classes:
G11C19/28; G11C19/00; H03M9/00