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View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original FormatView Filing in XBRL  10-K/A   PERMA-PIPE INTERNATIONAL HOLDINGS, INC. 05/30/24 01/31/24   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original FormatView Filing in XBRL  10-K/A   PERMA-PIPE INTERNATIONAL HOLDINGS, INC." (MFRI INC)  05/09/12 01/31/12   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  10-K/A   PERMA-PIPE INTERNATIONAL HOLDINGS, INC." (MFRI INC)  06/04/10 01/31/10   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  10-K/A   PERMA-PIPE INTERNATIONAL HOLDINGS, INC." (MFRI INC)  01/20/09 01/31/08   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  10-K/A   PERMA-PIPE INTERNATIONAL HOLDINGS, INC." (MFRI INC)  05/16/05 01/31/05   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  10-K/A   PERMA-PIPE INTERNATIONAL HOLDINGS, INC." (MFRI INC)  12/15/04 01/31/04   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  10-K/A   PERMA-PIPE INTERNATIONAL HOLDINGS, INC." (MFRI INC)  06/01/04 01/31/04   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  10-K/A   PERMA-PIPE INTERNATIONAL HOLDINGS, INC." (MFRI INC)  05/02/02 01/31/02   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  10-K/A   PERMA-PIPE INTERNATIONAL HOLDINGS, INC." (MFRI INC)  07/25/96 01/31/96   File this document to a folder.
View Filing in Original Format  10-K/A   PERMA-PIPE INTERNATIONAL HOLDINGS, INC." (MFRI INC)  06/02/95 01/31/95     File this document to a folder.
View Filing in Original Format  10-K/A   PERMA-PIPE INTERNATIONAL HOLDINGS, INC." (MFRI INC)  05/09/95 01/31/95     File this document to a folder.
View Filing in Original Format  10-K/A   PERMA-PIPE INTERNATIONAL HOLDINGS, INC." (MFRI INC)  05/31/94 01/31/94     File this document to a folder.
View Filing in Original Format  10-K/A   PERMA-PIPE INTERNATIONAL HOLDINGS, INC." (MFRI INC)  06/01/92 01/31/91     File this document to a folder.
View Filing in Original Format  10-K/A   PERMA-PIPE INTERNATIONAL HOLDINGS, INC." (MFRI INC)  06/05/91 01/31/91     File this document to a folder.
 
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