48 TRANSPORTS | MT 4821 transports maritime et fluvial | NT1 batellerie | NT1 flottage | NT1 flotte fluviale | NT2 navire porte-barge | NT2 péniche | NT1 navigation fluviale | NT2 accord ADN | NT1 poussage | NT1 réseau navigable | NT2 voie d'ea
48 TRANSPORT | MT 4821 maritime and inland waterway transport | NT1 inland waterway fleet | NT2 barge | NT2 barge carrier ship | NT1 inland waterway shipping | NT2 ADN agreement | NT1 network of navigable waterways | NT2 inland waterway | NT2 int