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last 30 patents
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Patent Grant
SnBiSb series low-temperature lead-free solder and its preparation...
Patent number
11,479,835
Issue date
Oct 25, 2022
BEIJING COMPO ADVANCED TECHNOLOGY CO., LTD.
Shaoming Zhang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for preparing metallurgical-grade alumina by using fluidized...
Patent number
8,568,671
Issue date
Oct 29, 2013
China Shenhua Energy Company Limited
Zhaohua Guo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
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Patent Application
SnBiSb Series Low-temperature Lead-free Solder and its Preparation...
Publication number
20200123634
Publication date
Apr 23, 2020
BEIJING COMPO ADVANCED TECHNOLOGY CO., LTD.
Shaoming ZHANG
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD FOR PREPARING METALLURGICAL-GRADE ALUMINA BY USING FLUIDIZED...
Publication number
20130115149
Publication date
May 9, 2013
CHINA SHENHUA ENERGY COMPANY LIMITED
Zhaohua Guo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...