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| operating_income = | net_income = | num_employees = 1,150 (2013) | parent = Spectris | subsid = | homepage = (www.bksv.com ) | footnotes = | intl = yes }} Brüel & Kjær (Sound and Vibration Measurement A/S) is a Danish multinational engineering and electronics company headquartered in Nærum, near Copenhagen. It is the world's largest manufacturer and supplier of sound and vibration measurement equipment, systems and solutions,〔http://www.enfonic.com/bruel-kjaer/〕〔(A Brüel & Kjær History Lesson - Short Version )' by Svend Gade, published in (''Sound and Vibration'' ), August 2008.〕 Brüel & Kjær is a subsidiary of Spectris which has annual sales of £1.1bn and employs around 7,500 people worldwide across its four business segments == Founders == Brüel & Kjær was founded by Per Vilhelm Brüel (b. 6 March, 1915 - d. 2 April, 2015) and Viggo Kjær (b. 5 June, 1914 - d. 25 July 2013) on 28 November 1942. The two men met while studying at The Polytechnic School in Copenhagen (now the Technical University of Denmark). After receiving their M.S. degrees in 1939 they decided to start a company developing instruments for acoustic measurements. Holger Nielsen joined the company as third partner in 1945, and was with the company until his death in 1978. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Brüel & Kjær」の詳細全文を読む スポンサード リンク
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