4 Utility Patents
#9,292 in Beijing
#33,688 in China
Forward Citations = 1
Company Filing History:

Shanghai Zhenhua Heavy Industries Company Limited
Cccc Highway Consultants Co. Ltd.
4. 1 out of 1
Cccc Wuhan Harbour Engineering Design & Research Co., Ltd.
5. 1 out of 4
China Communications Construction Company Limited
where one patent can have more than one assignee
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