4 Utility Patents
#9,292 in Beijing
#33,688 in China
Forward Citations = 4
Company Filing History:
China Petroleum & Chemical Corporation
Sinopec Engineering Incorporation
Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
4. 1 out of 1
Nanjing Industrial Furnace Institute of Tianhua of Chemical Machinery & Automation
5. 1 out of 1
Sinopac Engineering Incorporation
where one patent can have more than one assignee
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