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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000950135-05-002037
Filing Date
2005-04-15
Accepted
2005-04-15 08:30:38
Documents
3
Effectiveness Date
2005-04-15

Document Format Files

Seq Description Document Type Size
1 MKS INSTRUMENTS, INC. b54637dadefa14a.htm DEFA14A 12719
2 GRAPHIC b54637dab5463700.gif GRAPHIC 3138
3 GRAPHIC b54637dab5463701.gif GRAPHIC 1669
  Complete submission text file 0000950135-05-002037.txt   21065
Mailing Address 90 INDUSTRIAL WAY WILMINGTON MA 01887
Business Address 90 INDUSTRIAL WAY WILMINGTON MA 01887 978-284-4000
MKS INSTRUMENTS INC (Filer) CIK: 0001049502 (see all company filings)

IRS No.: 042277512 | State of Incorp.: MA | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 000-23621 | Film No.: 05752139
SIC: 3823 Industrial Instruments For Measurement, Display, and Control