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Filing Compare ·
YORK RESEARCH CORP
8-K (Feb 11, 2002)
vs
8-K (Jan 16, 2002)
Compare against
8-K · Jan 16, 2002
8-K · Dec 21, 2001
8-K · Nov 21, 2001
8-K · Nov 9, 2001
8-K · Oct 30, 2001
8-K · Jul 19, 2001
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