4 Utility Patents
#9,338 in Beijing
#33,870 in China
Forward Citations = 2
Company Filing History:
Railway Engineering Research Institute of China Academy of Railway Sciences Corporation Limited
China Academy of Railway Sciences Corporation Limited
China Academy of Railway Sciences Corporaton Limited Railway Engineering Research Institute
4. 1 out of 1
Beijing Tieke Shougang Track Technology Co., Ltd
5. 1 out of 9
National Center for Nanoscience and Technology
where one patent can have more than one assignee
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