C10200 ottone+Cu-Of
C10200+TU1+rame+placcatura dorata
C10200+TU2+rame+placcatura dorata
C11000+ottone+cu-etp
Copper C35600+Cuzn34PB2
rame +c28000 +cuzn40
rame+c28000
C10200+TU2+rame