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4/AAccepted Jan 18, 5:26 PM ET

ARMSTRONG WILLIAM L 4/A

HPHELMERICH & PAYNE INC

sec.gov(opens the filing on sec.gov)

Accepted (ET)

5:26 PM

Jan 18, 2013

Filed

Jan 18, 2013

Documents

1

Size

5.5 KB

Summary

Summary not available

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