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"LIU ZHENKUAN"
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"LIU ZHENKUAN"
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Paper pulp preparation machine for household paper
by
ZENG LIANHE
,
LIU ZHENKUAN
Year of Publication
23.09.2022
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22
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Intravenous blood sampling needle capable of preventing acupuncturing
by
LIU ZHENKUAN
Year of Publication
02.04.2019
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23
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Needle punching-proof syringe needle structure and needle punching-proof syringe
by
LIU ZHENKUAN
Year of Publication
26.03.2019
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24
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Blood taking needle recoverer and its assembly
by
LIU ZHENKUAN
Year of Publication
22.03.2019
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25
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Insertion-type flusher
by
LIU ZHENKUAN
Year of Publication
22.03.2019
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26
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Disposable prevents type vein blood collection needle against current
by
LIU ZHENKUAN
Year of Publication
18.01.2019
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27
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Venous blood specimen collection needle
by
LIU ZHENKUAN
Year of Publication
17.08.2018
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28
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Anti-reverse-flow valve device for collecting venous blood samples and blood collecting needle device
by
LIU ZHENKUAN
Year of Publication
17.08.2018
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29
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Backflow-preventing valve device for blood sampling and blood sampling needle
by
LIU ZHENKUAN
Year of Publication
27.07.2018
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30
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Venous blood sample collection needle and blood collection set
by
LIU ZHENKUAN
Year of Publication
20.07.2018
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31
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Disposable penholder type safe anti-backflow vein blooding needle
by
LIU ZHENKUAN
Year of Publication
16.01.2018
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32
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Disposable needle for venous blood specimen collection (anti-reflux type)
by
LIU ZHENKUAN
Year of Publication
08.12.2017
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33
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Scraping knife
by
YANG DAQIN
,
LIU ZHENKUAN
Year of Publication
31.03.2020
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34
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Scraping knife
by
YANG DAQIN
,
LIU ZHENKUAN
Year of Publication
28.05.2019
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35
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Interpolation type self-destruction disposable syringe
by
SUN YONG
,
LIU YAYIN
,
LIU ZHENKUAN
,
MA HONGQI
Year of Publication
19.07.2022
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Disposable intravenous infusion needle capable of preventing needle stick injury
by
SUN YONG
,
LIU YAYIN
,
LIU ZHENKUAN
,
MA HONGQI
Year of Publication
19.07.2022
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Disposable virus sampling tube assembly
by
SUN YONG
,
LIU YAYIN
,
LIU ZHENKUAN
,
MA HONGQI
Year of Publication
29.04.2022
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38
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Disposable visual blood return pen type blood taking needle
by
SUN YONG
,
LIU YAYIN
,
LIU ZHENKUAN
,
MA HONGQI
Year of Publication
15.04.2022
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Disposable safe destruction type syringe
by
SUN YONG
,
LIU YAYIN
,
LIU ZHENKUAN
,
MA HONGQI
Year of Publication
15.04.2022
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Disposable syringe capable of preventing secondary use
by
SUN YONG
,
LIU YAYIN
,
LIU ZHENKUAN
,
MA HONGQI
Year of Publication
15.04.2022
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