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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH057810
Kind Code:
B2
Inventors:
OOTA TAKASHI
Application Number:
JP861285A
Publication Date:
January 29, 1993
Filing Date:
January 21, 1985
Export Citation:
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Assignee:
NIPPON ELECTRIC CO
International Classes:
H01L41/09; F16K31/02; G01D9/16; G02B26/08; G09F11/00; H01H57/00; H01L41/08; H02N2/00