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Device for forming modified ground
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Patent number 5,234,289
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Issue date Aug 10, 1993
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Nakashima; Shiro
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Wataru Nakanishi
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Method of forming modified ground
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Patent number 5,197,828
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Issue date Mar 30, 1993
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Nakashima; Shiro
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Wataru Nakanishi
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Ground hardening material injector
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Patent number 4,971,480
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Issue date Nov 20, 1990
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N.I.T. Co., Ltd.
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Wataru Nakanishi
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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74727622 - REGANES
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Serial number 74727622
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Registration number 2023387
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Filing date Sep 11, 1995
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N.I.T., INC.
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10 - Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth