2 Utility Patents
#92 in Shijiazhuang
#64,510 in China
Forward Citations = 0
Company Filing History:
Shijiazhuang Tiedao University
China State Railway Group Co., Ltd.
where one patent can have more than one assignee
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#92 in Shijiazhuang
#64,510 in China
Company Filing History:
Get your Inventor Badge Today