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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000902219-12-000169
Filing Date
2012-02-14
Accepted
2012-02-14 11:05:08
Documents
1

Document Format Files

Seq Description Document Type Size
1 DISCLOSURE DOCUMENT sec_filing.htm SC 13G 17802
  Complete submission text file 0000902219-12-000169.txt   19478
Mailing Address 9900 A CLAYTON RD ST LOUIS MO 63124
Business Address 9900 A CLAYTON RD ST LOUIS MO 63124 3142137200
ESCO TECHNOLOGIES INC (Subject) CIK: 0000866706 (see all company filings)

IRS No.: 431554045 | State of Incorp.: MO | Fiscal Year End: 0930
Type: SC 13G | Act: 34 | File No.: 005-41209 | Film No.: 12604236
SIC: 3669 Communications Equipment, NEC

Mailing Address 280 CONGRESS STREET BOSTON MA 02210
Business Address 280 CONGRESS STREET BOSTON MA 02210 6179515000
WELLINGTON MANAGEMENT CO LLP (Filed by) CIK: 0000902219 (see all company filings)

IRS No.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000