Showing 1 - 20 results of 143 for search '"YU XIQING"', query time: 1.04s Refine Results  

Staircase member

by XIQING YU
Year of Publication 13.12.2006
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Patent

Intelligent shutter

by YU XIQING
Year of Publication 07.12.2021
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Patent

Photovoltaic shutter

by YU XIQING
Year of Publication 07.12.2021
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Patent