sentence: The Metre Convention ( Convention du Mètre ) of 1875 mandated the establishment of a permanent International Bureau of Weights and Measures ( BIPM : Bureau International des Poids et Mesures ) to be located in Sèvres , France .
question: what was _ established _ _ _ ?
answers: BIPM : Bureau International des Poids et Mesures a permanent International Bureau of Weights and Measures