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PRIMARY DOCUMENT 04 Dec 2012
PRIMARY DOCUMENT 04 Dec 2012
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SEPTEMBER 30, 2012 FORM 10-Q FINAL 23 Oct 2012
HAL ANNOUNCES THIRD QTR EARNINGS 10-17-12 18 Oct 2012
PRIMARY DOCUMENT 02 Oct 2012
PRIMARY DOCUMENT 02 Oct 2012
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PRIMARY DOCUMENT 24 Sep 2012
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PRIMARY DOCUMENT 21 Sep 2012