US4842447A
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Manufacturing method and device of hollow-typed reverse circulating piles
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GB8713676D0
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Transmission device for elevator
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GB8616799D0
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Method of producing a pile or a diaphragm wall
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IT8548927D0
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In-situ casting of prestressed concrete posts
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CA1235302A
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Method of making cast-in-place prestressing concrete pile by means of movable casing set
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GB8520390D0
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A method and a casing set for making a cast-in-place prestressed concrete pile
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DE3501252A1
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Method of producing a cast-in-situ concrete pile
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CA1234698A
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Cast-in-place concrete pile construction
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GB8432356D0
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Fender
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PH20546A
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Improvements relating to cast-in-place concrete pile construction
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PH20551A
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Improved pre-cast concrete pile and method of placing it in the ground
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PH20538A
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Improvements relating to method for driving piles
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GB8411010D0
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Improvements relating to method for driving piles
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GB8410308D0
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Improvements relating to cast-in-situ concrete pile construction
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DE3407879A1
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Precast concrete pile and method of placing the same in the ground
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DE3407880A1
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Multi-layer corrugated roof covering
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GB8405141D0
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Improved precast concrete pile and method of placing it in the ground
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GB8405183D0
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Multilayered corrugated roofing
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