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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS611921
Kind Code:
B2
Inventors:
FUJIWARA RYUHEI
Application Number:
JP7572577A
Publication Date:
January 21, 1986
Filing Date:
June 24, 1977
Export Citation:
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Assignee:
NIPPON ELECTRIC CO
International Classes:
H03H19/00; H03D1/00