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Filing metadata

Accession number: 0001526513-12-000009
Form type: Form 4
Filer: NORTHERN TECHNOLOGIES INTERNATIONAL CORP
CIK: CIK 875582
Filed: Sep 25, 2012
Reporting period: Sep 24, 2012
Description: Insider transaction

Documents

0001526513-12-000009-index.htm

Complete submission

0001526513-12-000009.txt

directory listing

Filed by

NORTHERN TECHNOLOGIES INTERNATIONAL CORP