Search Results1-2 of  2

  • Kumata Osamu ID: 9000391380550

    日立照明 (株) (1982 from CiNii)

    Articles in CiNii:1

    • Development of Computer Program for Calculating Equivalent Sphere Illumination (1982)
  • Kumata Osamu ID: 9000391391293

    日立照明株式会社 (1984 from CiNii)

    Articles in CiNii:1

    • Development of electronic ballasts for compact fluorescent lamps (1984)
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