4 Utility Patents
#281 in Tianjin
#33,982 in China
Forward Citations = 3
Company Filing History:
Tianjin Dg Membrane Co., Ltd.

Tianjin Dg Membrane Technology Co., Ltd.
4. 1 out of 11
Hainan Lingkang Pharmaceutical Co., Ltd
where one patent can have more than one assignee
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