. . "29173"^^ . . . . . . "MODIFICA D.F.L. N\u00B0 1, DE 1968"^^ . . . . "MODIFICA D.F.L. N\u00B0 1, DE 1968"^^ . "17637"^^ . . . . "Ley 17637"^^ . "MODIFICA D.F.L. N\u00B0 1, DE 1968"^^ . . "1972-04-29"^^ . .