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what China needs is the system invented by Dean Kamen, the same guy invented SEGWAY.
His patents are here @
http://www.google.com/patents/ab ... EBAJ&dq=7340879

see the video @
http://www.techeblog.com/index.p ... doesn-t-use-filters

too bad ... his invention is not allowed and is suppressed at the mean time ... so the only choice is to pay $$$ to water bottle company

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