Boang ZHENG

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Beijing, CN

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Patents Applicationslast 30 patents

Information Patent Application
INTELLIGENT POSITIVE AND NEGATIVE PRESSURE SYSTEM AND OPERATION MET...
- Publication number 20240168501
- Publication date May 23, 2024
- Boang ZHENG
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
positive and negative pressure system and operation method therefor...
- Publication number 20230195146
- Publication date Jun 22, 2023
- Boang ZHENG
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES