国家/地区 中国（3）
IPC部 C（3）
IPC大类 C09（3） F16（3）
IPC小类 C09K（3）
IPC C09K003/14（3）
发明人
公开年 2021（3）
申请年 2019（2） 
专利权人

Rare earth carbide catalyst used in preparation of high-carbon friction material, is prepared by loading rare earth oxide on catalytic carrier.

ZHOU G, CHEN B, JIAO H, SHI W

Graphene friction material useful for brake lining in drum brake comprises modified graphene oxide material, surfactant, trigger agent and fiber material.

WANG L

Copper-free and asbestos-free organic friction material with reinforcing material for organic friction product, includes binding materials, non-copper fillers, acid-base adjusting materials, inorganic fibers, or non-copper metal fiber.

WANG H