| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 03.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Plurality of glass fiber filter pads - Plurality of non-woven polyester fiber filter pads Fiber mean diam. 0.1 - 5 micro-m |
| PATENT PHOTOCOPY | Available on request |
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