#define F_TIPO      201
#define F_CLIENTE   211
#define F_RAGSOC    212
#define F_ARTICOLO  221
#define F_DESCART   222

#define F_ARTICOLI  231
#define F_CLIENTI   232

#define A_CODART    101
#define A_DESCART   102
#define A_CODALT    103
#define A_DESCALT   104

#define C_CLIENTE   101
#define C_RAGSOC    102
#define C_CODALT    103
#define C_DESCALT   104