B01D 24/34
Filters comprising loose filtering material, i.e. filtering material without any binder between
Official title: with the filtering material and its pervious support moving (tipping buckets, trays or like sections B01D33/327)
B01D24/34 (Filters comprising loose filtering material, i.e. filtering material without any binder between) appears on 1 US grants and 0 published applications in this corpus.
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- 13 Mar 1990
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| 1990 | 1 | 0 |
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