database marmotech   
screen
{
               fecha Inicial [k       ]
               fecha Final   [p       ]
                
               Codigo Semi-elaborado [f1  ]
}
end
tables
intb00006
attributes
k   = formonly.fecha_inicial type date,format = "dd/mm/yy";
p   = formonly.fecha_final type date, format = "dd/mm/yy";
f1  = formonly.cod_prod;
  instructions
     delimiters " "
end