had been refining
-había estado refinando
Past perfect progressiveconjugation ofrefine.There are other translations for this conjugation.

refine

Mr. OSKANIAN (Armenia) said that during its first year the Council had been refining its procedures in order to meet the expectations of the international community.
El Sr. OSKANIAN (Armenia) dice que en su primer año el Consejo ha refinado sus procedimientos a fin de colmar las expectativas de la comunidad internacional.
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