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Filing metadata

Accession number: 0000072162-10-000002
Form type: Form 4
Filer: NL INDUSTRIES INC
CIK: CIK 72162
Filed: May 20, 2010
Reporting period: May 19, 2010
Description: Insider transaction

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0000072162-10-000002-index.htm

Complete submission

0000072162-10-000002.txt

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NL INDUSTRIES INC