国家/地区 中国（2）
IPC部 B（3）
IPC大类 B22（3） C22（3） C09（2）
C23（2） F16（2）
IPC小类 B22D（3）
IPC C22C038/44（3）
发明人
公开年 2021（2）
申请年
专利权人

Column wheel used for main reduction system of heavy-duty vehicle, comprises iron, carbon, manganese, chromium, nickel, aluminum, molybdenum, buffer damping mixture and diamond powder mixture.

YI Y, LI J, LI C

Anti-rust and anti-corrosion low-nickel stainless steel material comprises chromium, boron, manganese, molybdenum, nickel, vanadium, phosphorus, silicon, and nitrogen.

PANG X, ZHAO Y, PANG M, HU Z, ZHAN Y, YANG J

Graphene-based steel tubes, pipes or risers used for conveying petroleum, gas and biofuels, and for use in underwater riser systems for deep water with direct application in petroleum industry, comprise aluminum, cobalt, copper and chromium.

CARVALHO A L M D, ZURBA N K, MOREIRA DE CARVALHO A L, MOREIRA D C A L