Hunan Keensen Technology Co., Ltd.

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Changsha, CN

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

Information Patent Application
POLYAMIDE COMPOSITE REVERSE OSMOSIS MEMBRANE AND PREPARATION METHOD...
- Publication number 20230415103
- Publication date Dec 28, 2023
- HUNAN KEENSEN TECHNOLOGY CO., LTD.
- Liang ZHAO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Trademarklast 30 trademarks

Information Trademark
79377181 - KEENSEN
- Serial number 79377181
- Registration number 7416651
- Filing date May 29, 2023
- Hunan Keensen Technology Co., Ltd.
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
86805893 - KEENSEN
- Serial number 86805893
- Registration number 5121917
- Filing date Nov 1, 2015
- Hunan Keensen Technology Co., Ltd.
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes