Wenying YU

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Panjin, CN

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Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR CENTRALIZED THERMAL RECOVERY BASED ON AN O...
- Publication number 20220205349
- Publication date Jun 30, 2022
- Wenying Yu
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM FOR LOCKING INTERIOR DOOR LATCHES
- Publication number 20190249532
- Publication date Aug 15, 2019
- Wenying Yu
- E21 - EARTH DRILLING MINING
Information Patent Application
SIDE AND BOTTOM WATER LAYER THERMAL RECOVERY METHOD ALLOWING ELECTR...
- Publication number 20170002637
- Publication date Jan 5, 2017
- Wenying YU
- E21 - EARTH DRILLING MINING