XI ' an National Railway Equipment Research of Signal & Communication Co., Ltd

China

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Total IP 2
Total IP Rank # 741,170
IP Activity Score 0/5.0    0
IP Activity Rank # 1,707,733

Patents

Trademarks

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Last Patent 2017 - Closure detector
First Patent 2016 - Closure detector

Latest Inventions, Goods, Services

2016 Invention Closure detector. A closure detector comprises a lower casing (7) and an indication rod (1) exten...
Invention Contact system. A contact system employs a rotating bar mechanism (1) to drive a movable set of c...