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Zhaohui ZHOU
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Changsha, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Sectional-type high wear-resistant double-layer straight tube and a...
Patent number
11,359,758
Issue date
Jun 14, 2022
Zhaohui Zhou
E04 - BUILDING
Information
Patent Grant
Auto-fill two-layer two-half wear resistant elbow of concrete pump...
Patent number
10,428,994
Issue date
Oct 1, 2019
Zhaohui Zhou
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
A SECTIONAL-TYPE HIGH WEAR-RESISTANT DOUBLE-LAYER STRAIGHT TUBE AND...
Publication number
20210108755
Publication date
Apr 15, 2021
Zhaohui ZHOU
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
AUTO-FILL TWO-LAYER TWO-HALF WEAR RESISTANT ELBOW OF CONCRETE PUMP...
Publication number
20170314724
Publication date
Nov 2, 2017
Zhaohui ZHOU
E04 - BUILDING