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"DONG, Yufeng"
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Search Results - "DONG, Yufeng"
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"DONG, Yufeng"
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巷道掘进截割钻进先进技术研究现状及展望
by
毛君
,
董钰峰
,
卢进南
,
李玉岐
,
张鸿宇
,
谢苗
,
吴霞
,
刘治翔
,
王贺
,
田博
Published in
煤炭学报
(01.07.2021)
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Filtering mechanism for urban sewage treatment
by
DONG YUFENG
Year of Publication
17.05.2024
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Patent
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Vehicle-mounted leakage-proof alarm device for filling natural gas
by
DONG YUFENG
Year of Publication
12.03.2024
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Wire end positioning structure and comprehensive detector for electric parts of electric vehicle
by
DONG YUFENG
Year of Publication
20.06.2023
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Case teaching display device for property insurance science
by
DONG YUFENG
Year of Publication
12.05.2023
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Garbage disposal vehicle for pollution discharge engineering
by
DONG YUFENG
Year of Publication
17.03.2023
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Material waste removing device of die-cutting machine
by
DONG YUFENG
Year of Publication
28.10.2022
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Zinc alloy electromagnetic smelting stirring device capable of reducing zinc dross
by
DONG YUFENG
Year of Publication
08.07.2022
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Material guiding device of die-cutting machine
by
DONG YUFENG
Year of Publication
21.06.2022
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Material conveying and positioning device of die-cutting machine
by
DONG YUFENG
Year of Publication
21.06.2022
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Zinc alloy production process
by
DONG YUFENG
Year of Publication
04.03.2022
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Preheating printed matter feeding device
by
DONG YUFENG
Year of Publication
04.01.2022
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Tension-adjustable printing waste collecting box
by
DONG YUFENG
Year of Publication
04.01.2022
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Anti-accumulation conveying belt for printed matters
by
DONG YUFENG
Year of Publication
21.12.2021
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Anti-scratch printed matter conveying device
by
DONG YUFENG
Year of Publication
21.12.2021
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Printed matter conveying gripper bar
by
DONG YUFENG
Year of Publication
14.12.2021
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Presswork pressing wheel with adjustable pressure
by
DONG YUFENG
Year of Publication
14.12.2021
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Stable material receiving device for printing machine
by
DONG YUFENG
Year of Publication
14.12.2021
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Printer waste cleaning device capable of stopping in time
by
DONG YUFENG
Year of Publication
14.12.2021
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Die separating device for gold stamping
by
DONG YUFENG
Year of Publication
10.12.2021
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