国家/地区 中国（2）
IPC部 B（2）
IPC大类 F16（2）
IPC小类 F16D（2）
IPC
发明人
公开年 2021（2）
申请年 2021（2）
专利权人

Friction material used for brake sheet comprises matrix component (copper-coated iron powder), friction component (tungsten carbide), reinforcing component (transition metal alloy powder) and lubricating component (graphene and silicon carbide whisker).

KANG L, YANG Y, MA Y, ZHANG X, HUANG F, MA B, WANG J, LI S

Net-shaped flexible coupling for three-dimensional printing, has spiral weaving net whose ends are fixed with connecting plate, where inner part of connecting plate is provided with dismounting mechanism.

HAN P