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Shouzo Yanagisawa
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Ibaraki, JP
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last 30 patents
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Patent Grant
Exhaust emission control device for diesel engine
Patent number
4,581,891
Issue date
Apr 15, 1986
Hitachi, Ltd.
Toshifumi Usui
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS