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Shanghai Litree Purifying Equipment Co., Ltd.
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Shanghai, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Hollow fibre membrane module with a fixed structure
Patent number
7,648,633
Issue date
Jan 19, 2010
Shanghai Litree Purifying Equipment Co., Ltd.
Lianggang Chen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Pvc hollow filtration membrane and the preparation method thereof
Patent number
7,435,348
Issue date
Oct 14, 2008
Shanghai Litree Purifying Equipment Co., Ltd.
Lianggang Chen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL