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Gauge Plate Insulator
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Publication number 20210148058
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Publication date May 20, 2021
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KOPPERS DELAWARE, INC.
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Steven D. Singleton
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Single Bend Rail
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Publication number 20140076980
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Publication date Mar 20, 2014
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Koppers Delawre, Inc.
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William Thomas Urmson
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Grease Guide
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Publication number 20130341126
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Publication date Dec 26, 2013
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Steven David Singleton
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B61 - RAILWAYS
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Tie plate
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Publication number 20060118649
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Publication date Jun 8, 2006
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Portec Rail Products, Inc.
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William T. Urmson
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Tie plate
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Publication number 20040155117
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Publication date Aug 12, 2004
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William T. Urmson
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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