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| The pragmatic exclusive two Shanghai Yungtay Elevator Equipment Co., Ltd. new models patent checks and accepts by the country |
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| Shanghai Yungtay Elevator Equipment Co., Ltd. patent technology , namely electric elevator are adjusted to heavy piece compacting a device; The electric elevator sedan box is guarded against dropping with latch device , is confers a patent in getting up according to Patent Law of the People's Republic of China on May 2 , 2007. |
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