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Year of Publication 21.02.2023
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Diesel engine automatic oil supply system for petroleum drilling
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Year of Publication 21.02.2023
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Diesel engine automatic unloading device for petroleum drilling
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Year of Publication 11.10.2022
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Slurry pump wireless fault diagnosis system
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Year of Publication 11.10.2022
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Year of Publication 11.10.2022
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Mounting assembly for one-key type drill floor manipulator
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Year of Publication 09.11.2021
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Stepless telescopic anti-overflow pipe seat with seal
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Year of Publication 21.03.2023
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Year of Publication 21.03.2023
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Reducing supporting device for shell of rotary blowout preventer assembly
PENG FAN, BAI KE, TANG GUOWEI, CHEN YAN, ZHENG XUEKUN, SU ZIFENG, ZENG TAO, HE ZIDONG
Year of Publication 28.02.2023
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Year of Publication 28.02.2023
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Silencing fireproof exhaust pipe of diesel engine for well drilling
PENG GUANGJIE, ZHENG XUEKUN, LU PENG, XU SHENG, ZHAO YU, YANG SHOUSHENG
Year of Publication 07.12.2021
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Year of Publication 07.12.2021
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Hydraulic turning gear of diesel engine
LIU XIN, QIN HAO, PENG GUANGJIE, ZHENG XUEKUN, QIAN FEI, ZHAO YU, YANG SHOUSHENG
Year of Publication 05.01.2021
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Year of Publication 05.01.2021
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