6 Utility Patents
#2 in Qiqihar
#21,838 in China
#691,685 in the World
Forward Citations = 5
Company Filing History:
Qiqihar Railway Rolling Stock Co., Ltd.
Crrc Qiqihar Rolling Stock Co., Ltd.
Crr Qigihar Co., Ltd. Dalian Research & Development Center
4. 1 out of 1
Crrc Qigihar Rolling Stock Co., Ltd.
where one patent can have more than one assignee
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