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JPS5775029U |
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JPS5720456B2 |
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JPS5756817U |
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JPS5754633A |
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JPS5712840B2 |
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JPS56160357A |
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JPS56125535A |
PURPOSE: To raise the durability of temporary cofferdam as well as make easier the installation and removal of the cofferdam by forming the body of the temporary cofferdam to be used for river, etc., into a beltlike shape by an integral ...
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JPS5637378B2 |
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JPS5629394Y2 |
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JPS5685018A |
PURPOSE: To construct a water shielding wall effectively and economically by providing a water impervious membrane to the water shielding wall constructed underground. CONSTITUTION: A pit 1 is excavated, and then two partition plates 5 w...
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JPS5677551U |
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JPS5677550U |
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JPS5626033Y2 |
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JPS5668099U |
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JPS5617600Y2 |
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JPS5616802B2 |
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JPS5616258B2 |
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JPS5616249B2 |
An earth drain which comprises a filter encased core having, on at least one base or web surface, a first array of discrete projections or studs of uniform height and a second array of discrete projections or studs of lesser height than ...
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JPS5613401Y2 |
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JPS5612663B2 |
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JPS5611816B1 |
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JPS569709Y2 |
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JPS5622821A |
PURPOSE: To construct an artificial impermeable layer which, together with the cut- off wall, prevents the invasion of underground water and consequently facilitate such operations as excavation, anchorage and the like by laying refriger...
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JPS568988Y2 |
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JPS568997Y2 |
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JPS567040B2 |
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JPS566559Y2 |
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JPS566557Y2 |
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JPS5613154U |
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JPS5613153U |
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JPS562851B2 |
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JPS562169B2 |
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JPS5550137B2 |
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JPS5549213B2 |
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JPS55159023A |
PURPOSE: To shorten an unstable time period of a double sheet pile wall to a great extent and enable to perform execution work with high safety, by a method wherein inner cells are installed with appropriate intervals as the process of s...
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JPS5549103B2 |
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JPS5550201Y2 |
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JPS5549362Y2 |
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JPS5545026B2 |
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JPS5544813B2 |
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JPS5544215B2 |
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JPS5547957Y2 |
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JPS5547956Y2 |
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JPS55154750U |
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JPS55136392A |
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JPS55145551U |
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JPS5538480B2 |
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JPS5541855Y2 |
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JPS5541852Y2 |
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JPS55119892A |
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