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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0000932471-14-003318
Filing Date
2014-02-11
Accepted
2014-02-11 12:47:59
Documents
1

Document Format Files

Seq Description Document Type Size
1 mksinstrumentsinc.htm SC 13G/A 50422
  Complete submission text file 0000932471-14-003318.txt   51936
Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600 6106691000
VANGUARD GROUP INC (Filed by) CIK: 0000102909 (see all company filings)

IRS No.: 231945930 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SC 13G/A

Mailing Address 2 TECH DRIVE SUITE 201 ANDOVER MA 01810
Business Address 2 TECH DRIVE SUITE 201 ANDOVER MA 01810 978-645-5500
MKS INSTRUMENTS INC (Subject) CIK: 0001049502 (see all company filings)

IRS No.: 042277512 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-58011 | Film No.: 14592724
SIC: 3823 Industrial Instruments For Measurement, Display, and Control