10 Utility Patents
#63 in Guangzhou
#13,005 in China
#407,791 in the World
Forward Citations = 1
Company Filing History:
Guangzhou University
Zhongkai University of Agriculture Engineering
Guangdong Rongjun Construction Engineering Testing Corp., Ltd.
4. 1 out of 1
Guangzhou Guangjian Construction Engineering Testing Center Co., Ltd.
5. 1 out of 1
Guangzhou Cheng'an Testing Ltd. of Highway & Bridge
where one patent can have more than one assignee
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