4 Utility Patents
#636 in Wuhan
#34,087 in China
Forward Citations = 0
Company Filing History:


China Railway Eleventh Bureau Group Co., Ltd
4. 2 out of 2
China Railway Eleventh Bureau Group Fourth Engineering Co., Ltd.
5. 2 out of 2
Wujiu Railway Passenger Dedicated Line Hubei Co., Ltd
where one patent can have more than one assignee
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