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| 9221965 | Method for manufacturing a mineral fibre-containing element and element produced by that method | Nov 09, 11 | Dec 29, 15 | ROCKWOOL INTERNATIONAL A/S |
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| 4528725 | Gin lint cleaner | Dec 28, 83 | Jul 16, 85 | CONSOLIDATED COTTON GIN CO., INC. A TX CORPORATION |
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