translate English to French: Documentation: ECE/TRANS/WP.29/GRB/2007/2 and ECE/TRANS/WP.29/GRB/2007/6, informal documents Nos.  GRB-47-2, GRB-47-4 and GRB-47-5
Documents: ECE/TRANS/WP.29/GRB/2007/2 et ECE/TRANS/WP.29/GRB/2007/6, et documents GRB-47-2, GRB-47-4 et GRB-47-5.