Sell Invention Patent: Adjustable Wrench/Spanner

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Uploaded by on Sep 15, 2008

the subject invention is a real breakthrough with real anti slip system as many experienced engineers have regarded. Contact: simon.huang@126.com for more detailed info or if you do want to buy this patent.

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Science & Technology

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Standard YouTube License

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  • '

    will not work WITHOUT a handle

  • Looks interesting. What is the status of the invention?

  • ooh ooh, it seems the best invention I have ever seen. and its structure seems also very simple for manufacturing...,hope u can find a good buyer or partner soon.

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