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E21 - EARTH DRILLING MINING
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B60 - VEHICLES IN GENERAL
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China University of Petroleum (East China)
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E21 - EARTH DRILLING MINING
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Patent Grant
China University of Petroleum (East China)
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E21 - EARTH DRILLING MINING
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Patent Grant
China University of Petroleum (East China)
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E21 - EARTH DRILLING MINING
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CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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E21 - EARTH DRILLING MINING
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JINAN BODOR CNC MACHINE CO., LTD.
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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C01 - INORGANIC CHEMISTRY
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WANHUA CHEMICAL GROUP CO., LTD.
Peng LIU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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China University of Petroleum (East China)
Baoping CAI
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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CRRC QINGDAO SIFANG CO., LTD.
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B60 - VEHICLES IN GENERAL
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Patent Application
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
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E21 - EARTH DRILLING MINING
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Patent Application
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Yonghong LIU
E21 - EARTH DRILLING MINING
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Patent Application
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Yonghong LIU
E21 - EARTH DRILLING MINING
