FIELD Firma LIKE EWKSt4.Firma VALIDATE ~
  FIELD Cd_1 LIKE EWKSt4.Cd_1 VALIDATE ~
  FIELD Cd_2 LIKE EWKSt4.Cd_2 VALIDATE ~
  FIELD Cd_3 LIKE EWKSt4.Cd_3 VALIDATE ~
  FIELD Cd_4 LIKE EWKSt4.Cd_4 VALIDATE ~
  FIELD Bezeichnung LIKE EWKSt4.Bezeichnung VALIDATE ~
  FIELD Sort LIKE EWKSt4.Sort VALIDATE