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  1. 1

    A Project development and management study on e-light Company 由 Mendoza, Lloren S.

    出版 2001
    Thesis

    A Project development and management study on e-light Company
  2. 2

    Lamps and lighting 由 Myerson, Jeremy

    出版 1990
    图书

    Lamps and lighting
  3. 3

    Philips invention goes on sale Light bulb lasts 20 years. IN Business. 由 Ogle, Alex

    发表在 Manila Bulletin
    文件

    Philips invention goes on sale Light bulb lasts 20 years. IN Business.

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