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Hisahiko Kusano
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Tokyo, JP
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last 30 patents
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Patent Grant
Production method for a vehicular endless track bushing
Patent number
5,264,053
Issue date
Nov 23, 1993
Topy Kogyo Kabushiki Kaisha
Masahiro Nakajima
C21 - METALLURGY OF IRON
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Patent Grant
Heat treatment process for bushing used in track of endless track t...
Patent number
5,049,207
Issue date
Sep 17, 1991
Topy Industries Limited
Takahiko Sahara
C21 - METALLURGY OF IRON