2 Utility Patents
#504 in Hefei
#64,348 in China
Forward Citations = 0
Company Filing History:
University of Science and Technology Beijing
Hefei University of Technology
Yunnan Agricultural University
4. 1 out of 1
China Coal No.3 Construction Corporation (group) Ltd
5. 1 out of 1
Hefei Design & Research Institute of Coal Industry Co., Ltd
where one patent can have more than one assignee
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