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JPS59109621A
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Traverser of excavator for caisson
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JPS59109620A
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Excavated soil transporter in caisson working chamber
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JPS5972353A
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Elevation of working scaffold
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JPS58181998A
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Method of excavation construction of pit and excavator
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JPS58178799A
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Method of excavated-soil back pressure type limit pneumatic shielding construction
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JPS5880026A
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Rotary penetration of cylindrical pile
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JPS5820828A
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Elevating and turning device for atmospheric pressure capsule for excavator operation in caisson work
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JPS56153023A
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Atmospheric pressure capsule apparatus for operating of excavator in caisson
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JPS5646031A
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Constructing method for pile foundation footing with erected trunk
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JPS54142836A
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Earthhmoving equipment in constrained compressed air system shield excavator
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JPS54139208A
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Well presssin supporting device
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JPS5438608A
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Method of executing pneumatic caisson of supporting pile driven for deciding location
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JPS5412101A
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Automatic earth discharging device
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JPS547734A
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Method of initial excavation by shielding excavator
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JPS53144129A
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Method of sealing in shield process
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JPS5380661A
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Rotary feeder with mobile diaphragmmattached rotor
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JPS5341029A
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Flask for tunnel upset work
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JPS51115030A
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Connection method of sunk buried box block
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