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2011
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Invention
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Steel and coupler made from the same.
The present invention provides a type of steel and a coupl... |
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2010
|
Invention
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Method for producing steel. A method for producing steel comprises smelting process and heat trea... |
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Invention
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Steel and train hook made therefrom. The invention discloses a steel and a train hook made theref... |
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2009
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Invention
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Draft gear yoke of draft gear for railway freight car. A draft gear yoke of a draft gear for a ra... |
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Invention
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Coupler, follower and coupler draft gear. A coupler includes a coupler head, a coupler shank and ... |
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Invention
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Lower locking pin body two-side operating coupler and draft gear. A lower locking pin body (1) fo... |
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Invention
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Coupler and coupler tripping preventing mechanism. A mechanism for preventing tripping of a coupl... |
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Invention
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Coupler-buffering device, double-side action coupler and lower lockpin rotating shaft assembly. A... |
