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CN1237753A
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Advertising device for transportation means
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JPS58173288A
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Auger construction method
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JPS5873688A
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Bucket drill machine with screw
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JPS5820825A
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Pile formation work and device therefor
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JPS57146886A
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Drilling of shaft hole with large diameter
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JPS5758795A
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Excavating rod body with stretching leader rod
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JPS56119030A
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Performance of work for placing an embedded pile and device for carrying out the said performance
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JPS55111525A
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Method of construction of underground sheet pile wall
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JPS5578716A
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Preparation of site striking concrete pile
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JPS5578717A
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Pile installing method
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JPS54132303A
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Auger
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JPS54128104A
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Cutter head
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JPS5419510A
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Method of executing underground continuous wall and its device
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