18 Utility and 10 Design Patents
#1,154 in Shenzhen
#6,480 in China
#195,457 in the World
rank by utility patentsForward Citations = 253
Company Filing History:



4. 2 out of 622

5. 1 out of 1
Nanjing Center of Geological Survey, China Geological Survey
where one patent can have more than one assignee
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