DIRECTIONAL ACOUSTIC TRANSDUCERS
ILENE JOY BUSCH-VISHNIAC, ROBERT LEE WALLACE, JAMES EDWARD WEST, DAVID ARTHUR BERKLEY, CHRISTOPHER DION GREGORY STOCKBRIDGE
Year of Publication 25.09.1985
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Year of Publication 25.09.1985
Patent
Directional acoustic transducers
ILENE JOY BUSCH-VISHNIAC, ROBERT LEE WALLACE, JAMES EDWARD WEST, DAVID ARTHUR BERKLEY, CHRISTOPHER DION GREGORY STOCKBRIDGE
Year of Publication 08.06.1983
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Year of Publication 08.06.1983
Patent