Showing 121 - 140 results of 529 for search '"MA YIMIN"', query time: 1.03s Refine Results  

Multifunctional pen

by YIMIN MA
Year of Publication 05.03.2003
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Patent

Multifunctional pen

by YIMIN MA
Year of Publication 26.06.2002
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Patent

Safety button

by YIMIN MA
Year of Publication 06.03.2002
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Patent

Wine barrel

by YIMIN MA
Year of Publication 03.12.1997
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Patent

Propelled pen

by MINGREN XIE, YIMIN MA
Year of Publication 24.03.2004
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Patent