Electronic line judge

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1	PDF Document Add to Reading List Source URL: www.geoffreygrant.com Language: English - Date: 2008-09-21 13:31:33 Sensors Measuring instruments Electronics Tennis Electronic circuit Serve Electronic line judge Sports Technology
2	PDF Document Add to Reading List Source URL: www.geoffreygrant.com Language: English - Date: 2008-09-21 13:31:47 Assistant referee Official Electronic line judge Sports Referee Tennis