2 Utility Patents
#75 in Henan
#64,510 in China
Forward Citations = 0
Company Filing History:
Zhengzhou University
Welead Infrastructure Engineering Technology (zhengzhou), Ltd.
Safekey Engineering Technology (zhengzhou), Ltd.
4. 1 out of 1
Bestdr Infrastructure Hospital(pingyu)
where one patent can have more than one assignee
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