User talk:80.21.200.50

March 2013
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 * The following is the log entry regarding this message: Copper extraction techniques was changed by 80.21.200.50 (u) (t) ANN scored at 0.946241 on 2013-03-02T10:50:34+00:00 . Thank you. ClueBot NG (talk) 10:50, 2 March 2013 (UTC)