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Home / Perma-Pipe International Holdings, Inc. / Filings / SC 13G/A

SC 13G/A

AMEND. #4--MFRI, INC.

Company: Perma-Pipe International Holdings, Inc.
Filed: July 10, 1998
Accession Number: 0000950131-98-004247

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© 2026 EdgarLookup. All rights reserved. Filing data sourced from the SEC EDGAR database. For informational purposes only — not financial advice. · Data last updated 3 months ago.