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Construction machine
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Patent number 11,933,023
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Issue date Mar 19, 2024
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Hitachi Construction Machinery Co., Ltd.
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Hisashi Tago
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Construction machine
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Patent number 11,027,674
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Issue date Jun 8, 2021
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Hitachi Construction Machinery Co., Ltd.
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Tomoya Murazumi
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B60 - VEHICLES IN GENERAL
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Exhaust gas purifying device of work machine
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Patent number 10,865,680
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Issue date Dec 15, 2020
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Hitachi Construction Machinery Co., Ltd.
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Gen Yasuda
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES