Cheong Tong Benjamin SHUM

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Hong Kong, HK

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Patents Applicationslast 30 patents

Information Patent Application
APPARATUS TO PURIFY FRESH AIR USING BIODEGRADABLE FILTER
- Publication number 20170072354
- Publication date Mar 16, 2017
- Lifa Air Environmental Technology Limited
- Vesa Tapani MAEKIPAEAE
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...