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| 0001213900-22-016788.txt | 2022-03-31 16:19:09 | |
 0001213900-22-016788-xbrl.zip | 258545 | 2022-03-31 16:19:09 |
| bdr-20211231.xsd | 83958 | 2022-03-31 16:19:09 |
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| f10k2021_blondertongue_htm.xml | 1050941 | 2022-03-31 16:19:09 |
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| report.css | 2767 | 2022-03-31 16:19:09 |
| Show.js | 1085 | 2022-03-31 16:19:09 |