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Concrete vibrating machine
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Patent number 5,492,432
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Issue date Feb 20, 1996
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CMI Corporation
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Larry G. Eben
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Raiseable pan drag apparatus
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Patent number 5,388,927
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Issue date Feb 14, 1995
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CMI Corporation
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Ewald R. Ulmer
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES