·Patents
Hong Yao, Guangqian Luo, Jun Han. A wet chemical recovery method for burning lead and zinc in solid products. National invention patent. Application number: CN201010182203.9
Release time:2019-09-11 Hits:
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Hong Yao, Liang Yue, Guangqian Luo, Sen Zhang, Yiqing Du, Minghou Xu. A preparation method of Ca(OH)2 for desulfurization. National invention patent. Application number: CN201010563909.X
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Hong Yao, Liang Yue, Yiqing Du, Guangqian Luo, Minghou Xu. A throttle valve. National invention patent. Application number: CN201020630028.0