4 Utility Patents
#292 in Guangzhou
#34,157 in China
Forward Citations = 0
Company Filing History:
South China Company, China Oil & Gas Pipeline Network Corporation
China Oil & Gas Pipeline Network Corporation
China University of Petroleum
4. 1 out of 1
Xi'an Aerospace Yuanzheng Fluid Control Co. Ltd
5. 1 out of 1
Guangdong South China Intelligent Pipeline Research Institute
where one patent can have more than one assignee
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