se hubiesen quitado

En 1994, el Iraq firmó un protocolo con la UNSCOM por el que se comprometía a inspeccionar el búnker sellado al menos una vez al mes para asegurarse de que los sellos estuviesen intactos y que no se hubiesen quitado, estropeado o alterado los carteles de advertencia.
In 1994, Iraq signed a protocol with the United Nations Special Commission (UNSCOM) by which it undertook to inspect the sealed bunker at least once a month to ensure that the seals were intact and the warning signs were not removed, damaged or defaced.
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to sparkle