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2021
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Invention
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Acac alternating-current power supply module for railway signal power supply panel. Disclosed in ... |
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Invention
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Smart management device for hand-crank tool of switch machine. Disclosed in the present invention... |
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Invention
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Motor gearbox capable of implementing two-way hand-cranking operation for electric switch machine... |
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2020
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Invention
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Transfer detection rod for conversion equipment, and reversing method. A transfer detection rod f... |
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Invention
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Contact seat for electric switch machine. A contact seat for an electric switch machine, comprisi... |
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Invention
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Manual safety switch for electric railroad switch. A manual safety switch for an electric railroa... |
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2019
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Invention
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Current sharing device and method for power system, and power modules. A current sharing apparatu... |
