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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001086364-11-004526
Filing Date
2011-04-08
Accepted
2011-04-08 14:37:26
Documents
1

Document Format Files

Seq Description Document Type Size
1 teradyne03312011.txt SC 13G/A 11624
  Complete submission text file 0001086364-11-004526.txt   13444
Mailing Address 600 RIVERPARK DRIVE NORTH READING MA 01864
Business Address 600 RIVERPARK DRIVE NORTH READING MA 01864 978-370-2700
TERADYNE, INC (Subject) CIK: 0000097210 (see all company filings)

IRS No.: 042272148 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-13066 | Film No.: 11749101
SIC: 3825 Instruments For Meas & Testing of Electricity & Elec Signals

Mailing Address 55 EAST 52ND STREET NEW YORK NY 10055
Business Address 55 EAST 52ND STREET NEW YORK NY 10055 212-810-5300
BlackRock Inc. (Filed by) CIK: 0001364742 (see all company filings)

IRS No.: 320174431 | State of Incorp.: DE | Fiscal Year End: 0226
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies