Showing 1 - 20 results of 56 for search '"Li, Qiyin"', query time: 1.42s Refine Results  

Gear pump

by QIYIN LI
Year of Publication 09.08.2006
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Patent

Hydroenergy converter

by QIYIN LI
Year of Publication 01.02.2006
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Patent

Energy converter

by QIYIN LI
Year of Publication 01.02.2006
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Patent

Hydroenergy converter

by QIYIN LI
Year of Publication 01.02.2006
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Patent

Multipurpose stove

by QIYIN LI
Year of Publication 09.02.2005
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Patent

Piston-type pump

by QIYIN LI
Year of Publication 05.05.2004
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Patent

Ratchet wheel gear

by QIYIN LI
Year of Publication 26.03.2003
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Patent

Actuating appts

by QIYIN LI
Year of Publication 26.03.2003
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Patent