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Hydraulic striking device
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Patent number 11,078,929
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Issue date Aug 3, 2021
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SOOSAN HEAVY INDUSTRIES CO., LTD.
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Young Ky Kang
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Hydraulic breaker
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Patent number D457534
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Issue date May 21, 2002
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Soosan Heavy Industries Co., Ltd.
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Kyoung Ho Kim
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D15 - Machines not elsewhere specified
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Hydropneumatic hammer
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Patent number 5,277,264
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Issue date Jan 11, 1994
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Soosan Heavy Industries Co., Ltd.
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Kyo-Myung Song
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING