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Conveyor device
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Patent number 11,059,677
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Issue date Jul 13, 2021
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Hubertus Theodorus Wilhelmus Sleegers
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3804228
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Patent number 3,804,228
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Issue date Apr 16, 1974
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2795311
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Patent number 2,795,311
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Issue date Jun 11, 1957
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B28 - WORKING CEMENT, CLAY, OR STONE
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2301543
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Patent number 2,301,543
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Issue date Nov 10, 1942
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1336304
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Patent number 1,336,304
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Issue date Apr 6, 1920
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL