国家/地区
IPC部 C（2）
IPC大类 C21（2）
IPC小类 C21D（2）
IPC F16D065/12（2）
发明人
公开年
申请年
专利权人

Brake disc containing metallic niobium composition comprises e.g. main material composed of iron, carbon, silicon, manganese, niobium and molybdenum, and auxiliary material composed of zirconia toughened ceramic powder, and graphene powder.

FENG G

Brake drum used for vehicles, contains composition which consists of specific amount of chromium, carbon, manganese, silicon, sulfur, molybdenum and graphene.

HWANG J, HWANG J H