: Koyama, Shirogami, Nomi. 61-64HRC , . , .

Koyama Nomi, HSS,

6 190 .

                                                    

, , , . (HSS), , HSS, . (66HRc) , . , .

Koyama Nomi,

2 240 .

                                                    

Koyama Nomi, . - 6 24 , - 50 , - 5 . 6. - 220. SK-5 . .