Showing 1 - 20 results of 33 for search '"ZHAI HAIYING"', query time: 1.09s Refine Results  

Hinge

by ZHAI HAIYING
Year of Publication 22.02.2019
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Patent

Novel hinge

by ZHAI HAIYING
Year of Publication 12.02.2019
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Patent

Novel hinge

by ZHAI HAIYING
Year of Publication 12.02.2019
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Patent

A evener for hinge

by ZHAI HAIYING
Year of Publication 12.02.2019
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Patent

Mill hair machine

by ZHAI HAIYING
Year of Publication 12.02.2019
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Patent