2023
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Invention
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Point rail and frog heel rail matching assembly for assembled frog, and assembled frog comprising... |
2022
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Invention
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Crossover switch. A crossover switch, comprising: a first main line rail (101) and a second main ... |
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Invention
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Suspension type track single-turnout vehicle line changing system. A suspension type track single... |
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Invention
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Track damping fastener. A track damping fastener, comprising an iron pad (100), a height adjustme... |
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Invention
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Profiled rail forging die automatic control system and method. A profiled rail forging die automa... |
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Invention
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Rail brace and rail brace system. The embodiments of the present invention relate to a rail brace... |
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Invention
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Seamless combination frog. A seamless combination frog, comprising a frog center, wing rails (4, ... |
2021
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Invention
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Fixed combined frog. A fixed combined frog, comprising: a wing rail group, comprising a first win... |
2020
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Invention
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Boltless fastener system for heavy-haul railways. A boltless fastener system for heavy-haul railw... |
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Invention
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Ballastless turnout fastener system. A ballastless turnout fastener system, comprising: a railroa... |