We classify all linear completely regular codes which have covering radius $\rho = 2$ and whose dual are antipodal. For this, we firstly show several properties of such dual codes, which are two-weight codes.

翻译：我们分类了所有具有覆盖半径$\rho = 2$且其对偶码为对径的线性完全正则码。为此，我们首先证明了这类对偶码（即二重量码）的若干性质。