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A LED light source for rail passenger lighting ( patent certificate ) |
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Train broadcast LED graphic display ( patent certificate ) |
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Rail passenger reading lights ( patent certificate ) |
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Precision steel radiator sub- head ( patent certificate ) |
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Electronic converter ( patent certificate ) |
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LED Spotlight ( patent certificate ) |
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EMU warm car ( patent certificate ) |
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EMU DC Electronic Ballast ( patent certificate ) |
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Railway passenger car electrical control cabinet ( patent certificate ) |
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A railway passenger car LED light source dedicated drive ( patent certificate ) |
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Kind of car junction box cover and cabinet sealing structure ( patent certificate ) |
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Precision cast steel heat sink head ( patent certificate ) |
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