CORRESP

Correspondence Between Filers and SEC Staff

Proto Labs Inc Filed 2011-12-05 Acc 0001193125-11-330665

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CORRESP Correspondence Between Filers and SEC Staff , filename1.htm

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2011-12-29 CORRESP Correspondence Between Filers and SEC Staff
2011-12-05 CORRESP Correspondence Between Filers and SEC Staff
2011-10-26 CORRESP Correspondence Between Filers and SEC Staff

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