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last 30 patents
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Patent Grant
Large-angle sloping roof steel structure and construction method th...
Patent number
11,332,929
Issue date
May 17, 2022
Yuqi Zhou
E04 - BUILDING
Patents Applications
last 30 patents
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Patent Application
LARGE-ANGLE SLOPING ROOF STEEL STRUCTURE AND CONSTRUCTION METHOD TH...
Publication number
20210214939
Publication date
Jul 15, 2021
CHINA CONSTRUCTION FIRST DIVISION GROUP CONSTRUCTION & DEVELOPMENT CO., LTD.
YUQI ZHOU
E04 - BUILDING