国家/地区 中国（2）
IPC部 C（2）
IPC大类 C21（2）
IPC小类 C21D（2） C22C（2） C23C（2）
IPC C22C038/22（2）
发明人
公开年
申请年 2022（2） 
专利权人

Coated aluminum-silicon plated steel plate useful in thermoformed component, comprises steel substrate and aluminum-silicon coating coated on the surface of the steel substrate, where the surface of the aluminum-silicon coating is covered with coating.

MA X, JIN X, LIU H, TAN N

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