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  1. 1

    DENR issues warning on fake freon 由 Gasgonia, Dennis

    發表在 Manila Times (2004)
    Article

    DENR issues warning on fake freon
  2. 2

    An energy saving idea for conditioning systems in phased construction projects 由 Santos, Arturo Martin B.

    Article

    An energy saving idea for conditioning systems in phased construction projects
  3. 3

    Vapor-type air-conditioning nears perfection 由 Ricafrance, Romulo M.

    發表在 Bulletin Today (1981)
    Article

    Vapor-type air-conditioning nears perfection

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