国家/地区 中国（3）
IPC部 C（3）
IPC大类 C21（3） C22（3）
IPC小类 C21D（3）
IPC C22C038/02（3）
发明人
公开年 2018（2）
申请年 2017（3）
专利权人

Input shaft of speed reducer, is locked and fixed by locking sleeve and motor shaft, and comprises zinc, graphene, zirconium, nickel, silicon, aluminum, manganese, and iron.

ZHOU Q

Iron-based alloy comprises specified amounts of graphene composite material, carbon, silicon, manganese, chromium, tungsten, molybdenum, titanium, boron, vanadium, niobium, phosphorus, sulfur and iron.

CHANG F, XIA J, XU H, WANG M

Internal-combustion engine cylinder body alloy material comprises silicon, graphene, boron-modified phenolic resin, nickel, magnesium, chromium, manganese, niobium, rhenium, scandium, and iron.

LI S