کد: 311
M.10.12
L.3-7 cm
Name: unc - unf 8 خط , 6 خط , 3 خط
Name: Din: 968 Grade: 5.6 , 8.8
Name: Din: 934 Grade: 5.8 , 8.8 , 10.9
Name: Din: 929 , 928 Class: 6 , 8
