Showing 1 - 20 results of 71 for search '"CAI ZHENGQUAN"', query time: 1.03s Refine Results  

Vane lock

by CAI ZHENGQUAN
Year of Publication 28.12.2016
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Patent

Folding-type key

by CAI ZHENGQUAN
Year of Publication 09.07.2014
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Patent

Lock

by ZHENGQUAN CAI
Year of Publication 27.09.2006
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Patent