Document Type and Number:
Japanese Patent JPH0316804
Kind Code:
B2
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Inventors:
FURUKAWA KATSUHIRO
Application Number:
JP13194482A
Publication Date:
March 06, 1991
Filing Date:
July 30, 1982
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H03H19/00
Next Patent: JPH0316805