7 Utility Patents
#5 in Heilongjiang
#19,102 in China
#597,499 in the World
Forward Citations = 6
Company Filing History:
Qiqihar Railway Rolling Stock Co., Ltd.
Crrc Qiqihar Rolling Stock Co., Ltd.
Crrc Qiqihar Rolling Stock Co., Ltd. Dalian Research & Development Center
4. 1 out of 3
Dalian Qiche Railway Rolling Stock Co., Ltd.
where one patent can have more than one assignee
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