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last 30 patents
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Patent Grant
Hydrometallurgical method for recycling lead from spent lead-acid b...
Patent number
11,502,344
Issue date
Nov 15, 2022
University of Science and Technology Beijing
Chengyan Wang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
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Patent Application
HEAT DISSIPATION FILM FOR DISPLAY MODULE, AND PREPARATION METHOD OF...
Publication number
20220376202
Publication date
Nov 24, 2022
Chengdu BOE Optoelectronics Technology Co., Ltd.
Enjian YANG
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
HYDROMETALLURGICAL METHOD FOR RECYCLING LEAD FROM SPENT LEAD-ACID B...
Publication number
20200280111
Publication date
Sep 3, 2020
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Chengyan WANG
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...