3 Utility Patents
#11,594 in Beijing
#45,048 in China
Forward Citations = 6
Company Filing History:
China Petrochemical Corporation
Institute of Chemical Metallurgy Academia Sinica
Sinopec Beijing Design Institute (bdi)
4. 1 out of 1
Beijing Design Institute
5. 1 out of 1
Sinopec Beijing Design Institute
where one patent can have more than one assignee
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