diff --git a/EMkMachiningGeoConst.h b/EMkMachiningGeoConst.h
index 1aca489..a6173c0 100644
--- a/EMkMachiningGeoConst.h
+++ b/EMkMachiningGeoConst.h
@@ -62,3 +62,8 @@ static std::string KEY_START = "START" ;
 // Chiavi info in gruppo CL per punti minimo e massimo di ingombro
 static std::string KEY_PMIN = "PMIN" ;
 static std::string KEY_PMAX = "PMAX" ;
+// Chiavi info in gruppo CL per dati ausiliari
+static std::string KEY_AS_TOT = "AS#" ;
+static std::string KEY_AS = "AS" ;
+static std::string KEY_AE_TOT = "AE#" ;
+static std::string KEY_AE = "AE" ;