5555PETROLEOPTes-ESTESAURO DE MATERIAS DE SERBIULA active approved PETROLEOTN860-TN879.5 (Mineral resources)
TP690-TP692.5 (Chemical technology)

]]>PETROLEOUF5564Aceite de carbónNDBT5556ACEITES MINERALESPTBT4712COMBUSTIBLES FOSILESPTBT3763DESTILACION DESTRUCTIVAPTBT5558GASPTBT3439POZOSPTNT5559ACEITES Y GRASASPTNT5176CAMPOS PETROLEROSPTNT5561LIQUIDOS INFLAMABLESPTNT5562PERFORACIONPTNT5563PETROLEO SINTETICOPTRT2660INDUSTRIAS PETROQUIMICASPT