26 resultados para Sonic and ultrasonic device
Resumo:
National Highway Traffic Safety Administration, Washington, D.C.
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National Highway Traffic Safety Administration, Washington, D.C.
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Thesis (M.S.)--University of Illinois.
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Inserted "Bibliographic data sheet" lists Gerald H. Adams as editor.
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"October 1967."
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"September 1979."
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"3 June 1983."
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"April 1984."
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"July 1974."
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"October 1967."
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Hearings held July 28-31, 1975.