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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0000902219-12-000074
Filing Date
2012-02-14
Accepted
2012-02-14 10:51:22
Documents
1

Document Format Files

Seq Description Document Type Size
1 DISCLOSURE DOCUMENT sec_filing.htm SC 13G/A 18382
  Complete submission text file 0000902219-12-000074.txt   19996
Mailing Address PO BOX 4740 HOUSTON TX 77210-4740
Business Address 2929 ALLEN PARKWAY SUITE 2100 HOUSTON TX 77019-2118 7134398600
BAKER HUGHES INC (Subject) CIK: 0000808362 (see all company filings)

IRS No.: 760207995 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-38439 | Film No.: 12603993
SIC: 3533 Oil & Gas Field Machinery & Equipment

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/A
SIC: 0000