Showing 1 - 20 results of 24 for search '"HE YANGYI"', query time: 1.18s Refine Results  

Hole punch

by He, Yangyi
Year of Publication 30.10.2012
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Patent

Hole punch

by He, Yangyi
Year of Publication 01.05.2012
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Patent

Support

by HE YANGYI
Year of Publication 02.04.2019
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Patent

Hole punch

by HE YANGYI
Year of Publication 30.10.2012
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Patent

Hole punch

by HE YANGYI
Year of Publication 01.05.2012
Get full text
Patent