CN1049698A
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Impulse-rotary drilling bits
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DD284071A5
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Drehschlagbohrwerkzeug
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EP0379584A1
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Instrument for percussion-rotary drilling
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SU1060761A1
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Method of erecting an embankement
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SU1023020A1
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Apparatus for controlling working member of track maintenance machine
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SU1008335A1
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Prefabricated longitudinally sectioned ballast trough of railroad bridge
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SU992648A1
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Method of erecting a twin-block split span bridge and erection coupling apparatus for performing same
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SU996610A1
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Horizontal mounting joint of blocks of bridge span structure
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SU977571A1
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Apparatus for electrochemically consolidating soils
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SU968669A1
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Stand for testing chain working member of foundation pit digger
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SU912814A1
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Ferroconcrete girder of bridge span structure
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SU920096A1
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Roadway slab to bridge span girder securing assembly
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SU983169A1
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Bridge
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SU883692A2
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Stand for testing tie tamping machines
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SU853184A1
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Centrifugal pump impeller end seal
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SU842123A1
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Butt joint of ferroconcrete blocks of bridge span structure
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SU815110A1
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Guy-rope bridge
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SU815624A1
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Device for checking strength of solidifying concrete
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SU769098A1
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Hydraulic cyclone plant
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SU876828A1
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Method of anchouring rope made of parallel wires
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