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  1. 1

    DENR issues warning on fake freon por Gasgonia, Dennis

    Publicado no Manila Times (2004)
    Artigo

    DENR issues warning on fake freon
  2. 2

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

    Publicado no Philippine Engineering Journal (1991)
    Artigo

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

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

    Publicado no Bulletin Today (1981)
    Artigo

    Vapor-type air-conditioning nears perfection

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