Delan Fang

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Guangzhou City, CN

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Patents Applicationslast 30 patents

Information Patent Application
Air jet type pipeline decontamination machine
- Publication number 20200208393
- Publication date Jul 2, 2020
- Delan Fang
- B08 - CLEANING
Information Patent Application
Jet propulsion pipeline polishing equipment
- Publication number 20200206862
- Publication date Jul 2, 2020
- Delan Fang
- B24 - GRINDING POLISHING