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Junwei LI
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Shandong, CN
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Patents Grants
last 30 patents
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Patent Grant
Method for sealing post-cast strip in foundation with no gap
Patent number
11,384,501
Issue date
Jul 12, 2022
Qingdao Tianyuan Weiye Thermal Insulation and Waterproof Engineering Co., Ltd.
Junwei Li
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
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Patent Application
METHOD FOR SEALING POST-CAST STRIP IN FOUNDATION WITH NO GAP
Publication number
20210348354
Publication date
Nov 11, 2021
Qingdao Tianyuan Weiye Thermal Insulation and Waterproof Engineering Co.,Ltd.
Junwei LI
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING