American electrical engineer English
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British English
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    16 July 2012
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    1 February 2013
    Edward E. Hammer of Nela Park invented compact fluorescent light bulbs: news obituary (English)
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    Q81096 (Deleted Item)
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    Q678263 (Deleted Item)
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    Q278835 (Deleted Item)
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    /m/02x069b
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    Prabook ID English
    2405485
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