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Toru Nakajima
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Ibaraki, JP
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last 30 patents
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Patent Grant
Working arm for construction machine and method of producing the same
Patent number
7,670,099
Issue date
Mar 2, 2010
Hitachi Construction Machinery Co., Ltd.
Toru Nakajima
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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last 30 patents
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Patent Application
Working arm for construction machine and method of producing the same
Publication number
20060201274
Publication date
Sep 14, 2006
Toru Nakajima
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING