国家/地区 中国（2）
IPC部 C（2）
IPC大类 C23（2）
IPC小类 C23C（2）
IPC C23C024/10（2）
发明人 LIU Z（2）
公开年 2021（2）
申请年 2020（2） 
专利权人

Surface protection method of isolating switch electrical contact, involves depositing carbon base/copper complex powder on surface of isolating switch electric contact to form complex coating layer by supersonic laser deposition method.

LIU B, LI W, XU T, ZOU H, TIAN K, ZHANG H, LIU Z, WEI P, YAO J, LI B, ZHANG Q, WANG G, GE Y

Preparing field soil-touching agricultural tools with high wear resistance comprises e.g. mixing carbon, manganese, silicon, chromium, boron, titanium, nickel, nitrogen, phosphorus, sulfur, and iron, heating and adding graphene powder.

QIU X, WANG J, LI Y, JIANG Y, WANG L, CHEN C, HUA X, PU Y, LI Z, MA Z, XI M, LIU Z