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Filing metadata

Accession number: 0001127602-12-015282
Form type: Form 4
Filer: MKS INSTRUMENTS INC
CIK: CIK 1049502
Filed: May 02, 2012
Reporting period: May 01, 2012
Description: Insider transaction

Documents

0001127602-12-015282-index.htm

Complete submission

0001127602-12-015282.txt

directory listing

Filed by

MKS INSTRUMENTS INC