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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS631773
Kind Code:
B2
Inventors:
YAMAKIDO KAZUO
SAKAGUCHI JIRO
Application Number:
JP3892280A
Publication Date:
January 14, 1988
Filing Date:
March 28, 1980
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
H03H19/00



 
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