1 Utility Patents
#1,281 in Qingdao
#107,744 in China
Forward Citations = 0
Company Filing History:

Qingdao West Coast Rail Transit Co., Ltd.
Qingdao First Municipal Engineering Co., Ltd
4. 1 out of 2
Hebei Feipu Environmental Protection Technology 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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