Mod. 543,  500400300
 Mod. 443,   400400300
Mod. 3015,  250100150
Mod. 1515,  100100100
Mod.R510,  510510300
Mod. R460,  460460300
Mod. R295,  145295120
Mod. L30,  "durcon" 514438280
Mod. L3,  "durcon" 362260154
Mod. CS-12,  durcon 266115160
Mod. -1,   . 500450150
Mod. -2,   . 482413300