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last 30 patents
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Patent Application
Basket Type Filter Assembly
Publication number
20250205622
Publication date
Jun 26, 2025
YUNDA H&H TECH (Tianjin) CO., LTD.
Enyu WEI
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Patent Application
WATER SURFACE CLEANING DEVICE
Publication number
20250207422
Publication date
Jun 26, 2025
YUNDA H&H TECH (Tianjin) CO., LTD.
Enyu WEI
E04 - BUILDING
Information
Patent Application
WATER SURFACE CLEANING AND CHARGING INTEGRATED SYSTEM
Publication number
20250207341
Publication date
Jun 26, 2025
YUNDA H&H TECH (Tianjin) CO., LTD.
Enyu WEI
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING