SHENGLI DRILLING TECHNOLOG RESEARCH INSTITUTE OF SINOPEC

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Dongying, Shandong, CN

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Information Patent Application
ROTATING MAGNETIC FIELD DOWNHOLE POWER GENERATION DEVICE
- Publication number 20140251592
- Publication date Sep 11, 2014
- SHENGLI DRILLING TECHNOLOG RESEARCH INSTITUTE OF SINOPEC
- Wei Chen
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

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