Patents/Inventors

Qingdong Liu

HongheCN1 patent

2 Patents

US123199802025
System for Smelting Tin-containing Materials and Method for Smelting Same
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US116795282023
Solid Waste Large-mixing-amount Concrete Prefabricated Laminated Slab and Preparation Method Thereof
CHINA WEST CONSTRUCTION BUILDING MATERIALS SCIENCE RESEARCH INSTITUTE CO., Ltd
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