7 Utility Patents
#5,946 in Beijing
#19,102 in China
#597,499 in the World
Forward Citations = 57
Company Filing History:

China Academy of Railway Sciences Corporation Limited
Beijing Huatie Information Technology Corporation Ltd.
4. 1 out of 1
Beijing Ruichi Guotie Its Eng. & Tech. Ltd.
5. 1 out of 2
Signal and Communication Research Institute, China Academy of Railway Sciences Corporation Ltd.
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