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JPH0972087A
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Scaffold frame for slope face
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JPH08304559A
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Equipment and method for investigating front of tunnel
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JPH08184286A
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Excavation method of large diameter tunnel and excavating device used for the work
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JPH08184283A
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Advanced excavation work of guide tunnel in side wall
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JPH08184284A
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Advanced excavation work of guide tunnel at top wall
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JPH08135377A
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Tunnel excavator
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JPH0868299A
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Joint construction of composite segment
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JPH0868147A
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Erection structure for slab base material on tunnel lining wall
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JPH06173576A
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Preparatory method for pretreating work such as soil improvement in excavation of tunnel
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JPH06173575A
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Method for excavating inclined shaft tunnel
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JPH06173573A
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Excavating method for large diameter tunnel
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