3 Utility Patents
#11,641 in Beijing
#45,281 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
where one patent can have more than one assignee
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