2 Utility Patents
#646 in Hubei
#63,641 in China
Forward Citations = 3
Company Filing History:
China Railway Bridge Science Research Institute, L
China Railway Major Bridge Engineering Group Co.
Bridge Science Research Institute Ltd., China Zhongtie Major Bridge Engineering Group
4. 1 out of 1
China Railway Major Bridge Engineering Co., Ltd.
where one patent can have more than one assignee
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