12 Utility Patents
#3 in Xuzhou
#10,244 in China
#325,348 in the World
Forward Citations = 15
Company Filing History:
Dongnan Elevator Co, Ltd
China University of Mining and Technology
Changshu Institute of Technology
4. 1 out of 1
Dongnan Elavator Co. Ltd.
where one patent can have more than one assignee
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