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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000354204-10-001314
Filing Date
2010-02-08
Accepted
2010-02-08 10:42:31
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G rrd586.htm SC 13G/A 50159
  Complete submission text file 0000354204-10-001314.txt   52250
Mailing Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746
Business Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746 (512) 306-7400
DIMENSIONAL FUND ADVISORS LP (Filed by) CIK: 0000354204 (see all company filings)

IRS No.: 222370029 | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

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.: 10579706
SIC: 3823 Industrial Instruments For Measurement, Display, and Control