RU1796516C
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Device for time delaying all-electric switches-and-signals interlocking
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RU1771501C
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Device for measuring deformation of piers
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SU1743883A1
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Device for moulding centrifuged tubular products with steel cylinders
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RU1794772C
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Device for representing information in centralized traffic control
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SU1740527A1
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Abutment joint of assembled members in ferroconcrete rests
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SU1719261A1
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Device for control of subway train movements
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Reenforced concrete steel construction of railway bridge
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RU1794750C
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Device for checking insulating joints in track circuits
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SU1699845A1
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Apparatus to control the state of insulated rail joint
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SU1705519A1
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Outer fencing
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Bridge metal span structure
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SU1609725A1
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Conveyer stop
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SU1609726A1
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Conveyer stop
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SU1638236A1
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Method for erection of prefab reinforced concrete bridge
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Railway bridge superstructure
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SU1597416A1
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Matal enclosure of road bridge traffic way
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Device for transmitting and receiving information in dispatcher control room
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Apparatus for warning train approach to man-made structures
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Device for track filling control at marshalling centrs
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Plough tripper of material from belt conveyer
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