国家/地区 中国（3）
IPC部 C（3）
IPC大类 C21（3）
IPC小类 C21D（3）
IPC C21D008/00（2） C22C038/02（2） C22C038/04（2）
发明人 LI D（3）
公开年 2019（2）
申请年 2019（2） 
专利权人

Preparing graphene metal composite plate comprises e.g. polishing outer surface of metal plates using grinding machine, soaking in diluted hydrochloric acid solution, heating, clamping, coating graphene, extruding and rolling.

BAO Z, HUANG W, XU L, LI D, LI W, AN J

Bridge damping support using graphene material comprises a sliding box and two trapezoidal side plates. The sliding box is provided with a bridge support and the top of the bridge support is provided with a curved card slot.

YAN J, YAO L, KANG L, YANG K, LI D, SU X, ZHOU X, LIN J, LI Z

Austenitic stainless steel used for oil casing materials, comprises graphene, nickel, chromium, silicon, molybdenum, manganese, and iron.

WANG Y, LI Q, YUAN B, LI D