Yu SANG

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Chengdu, CN

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Patents Applicationslast 30 patents

Information Patent Application
FRESH WATER DISSOLVABLE ALUMINUM ALLOY
- Publication number 20210254195
- Publication date Aug 19, 2021
- CNPC USA Corp.
- Jianhui XU
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR DISSOLVABLE ALUMINUM ALLOYS
- Publication number 20210252574
- Publication date Aug 19, 2021
- CNPC USA Corp.
- Jianhui XU
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...