Guochen Qian

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Shaoxing City, CN

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Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC MAINTENANCE APPARATUS FOR CLEANLINESS OF RIVER SURFACE
- Publication number 20210009238
- Publication date Jan 14, 2021
- Guochen Qian
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
AUTOMATIC MAINTENANCE APPARATUS FOR CLEANLINESS OF RIVER SURFACE
- Publication number 20200148316
- Publication date May 14, 2020
- Guochen Qian
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
Garbage incinerator with cleaning function
- Publication number 20200148315
- Publication date May 14, 2020
- Guochen Qian
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT