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Beijing, CN
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last 30 patents
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Patent Grant
Photolithography system having multiple adjustable light sources
Patent number
7,012,270
Issue date
Mar 14, 2006
Tsinghua University
Duanyi Xu
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Patents Applications
last 30 patents
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Patent Application
Tandem Rotor Unmanned Aerial Vehicle and Attitude Adjustment Contro...
Publication number
20230312143
Publication date
Oct 5, 2023
BEIHANG UNIVERSITY
Jiang WU
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
Device and method for photoengraving integrated circuits
Publication number
20030201399
Publication date
Oct 30, 2003
Duanyi Xu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY