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Filing metadata

Accession number: 0001225208-12-012994
Form type: Form 4
Filer: MINE SAFETY APPLIANCES CO
CIK: CIK 66570
Filed: May 23, 2012
Reporting period: May 21, 2012
Description: Insider transaction

Documents

0001225208-12-012994-index.htm

Complete submission

0001225208-12-012994.txt

directory listing

Filed by

MINE SAFETY APPLIANCES CO