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Yukihiro Nagagawa
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Oaza Takadaji, Shikatsucho, Nishikasugaigun, Aichi-Prefecture, JP
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last 30 patents
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Patent Grant
Spacing ring for tubes in high temperature environment
Patent number
5,056,832
Issue date
Oct 15, 1991
Yukihiro Nagagawa
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES