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  1. 1

    DENR issues warning on fake freon od Gasgonia, Dennis

    izdano v Manila Times (2004)
    Article

    DENR issues warning on fake freon
  2. 2

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

    Article

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

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

    izdano v Bulletin Today (1981)
    Article

    Vapor-type air-conditioning nears perfection

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