国家/地区 中国（2）
IPC部 C（2）
IPC大类 C21（2） C23（2）
IPC小类 C21D（2） C23C（2）
IPC C21D001/18（2）
发明人
公开年 2022（2）
申请年
专利权人

Producing high-performance engineering fastener material useful for fastening at least two parts or components in engineering field, comprises e.g. choosing steel bar as engineering fastener raw material, carrying out degreasing, decontamination and rust removal treatment, compacting and cooling.

SHEN J, HU L, LI H, ZHANG Y

Graphene nanocomposite metal profile used in military and civil products, has nanoscale graphene layer which is compounded on surface of metal profile.

CONG D, LIN Z, ZHANG H, DUAN Z, JIA C, YANG S, ZHANG G