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Filing Compare ·
HIGH VOLTAGE ENGINEERING CORP
10-Q (Mar 20, 2002)
vs
10-Q (Dec 18, 2001)
Compare against
10-Q · Dec 18, 2001
10-Q · Sep 21, 2001
10-Q · Mar 13, 2001
10-Q · Dec 12, 2000
10-Q · Sep 15, 2000
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