Procurement For The Execution Of The Work: Improvement And Expansion Of The Sewer Service Or Other Forms Of Sanitary Disposal Of Excrete In The Bellavista Sector, Acopampa District Of The Province Of Carhuaz, Department Of Ancash - Procurement For The Execution Of The Work: Improvement And Expansion Of The Service Sewer Or Other Forms Of Sanitary Disposal Of Excreta In The Bellavista Sector, District Of Acopampa, Province Of Carhuaz, Department Of Ancash¿, With Cui: 2687987