80 resultados para Plastic Barriers
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National Highway Traffic Safety Administration, Washington, D.C.
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National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.
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Federal Highway Administration, Office of Research, Washington, D.C.
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Texas State Department of Highways and Public Transportation, Austin
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Includes index.
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At head of title: ... Department of commerce. Herbert Hoover, secretary. Bureau of mines. D.A. Lyon, acting director.
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"January 1994."
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National Highway Traffic Safety Administration, Washington, D.C.
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Federal Highway Administration, McLean Va.
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Mode of access: Internet.
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Mode of access: Internet.
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Issued originally as Entomological Series. Circular 5.
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Issued originally as Entomological Series. Circular 5.
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"ORO-600."
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"ORO-628."