9 Utility Patents
#4,690 in Beijing
#13,979 in China
#452,133 in the World
Forward Citations = 17
Company Filing History:


Other
4. 1 out of 3
Nanjing Jiuzhang Chemical Technology Co., Ltd.
5. 1 out of 1
Nanjing Ziuzhang Chemical Technology Co., Ltd
where one patent can have more than one assignee
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