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Filing metadata

Accession number: 0000072162-11-000007
Form type: Form 4
Filer: NL INDUSTRIES INC
CIK: CIK 72162
Filed: May 18, 2011
Reporting period: May 18, 2011
Description: Insider transaction

Documents

0000072162-11-000007-index.htm

Complete submission

0000072162-11-000007.txt

directory listing

Filed by

NL INDUSTRIES INC