国家/地区 中国（3）
IPC部 B（3）
IPC大类 B22（3） C09（2） C22（2）
IPC小类 B22D（3）
IPC
发明人
公开年 2022（2）
申请年 2021（3）
专利权人

Metal-based composite material for use in heat sink of electronic device, has reinforcement particles comprising silicon carbide particles, diamond particles, boron carbide particles or graphene particles dispersed in metal matrix, where metal matrix has single metal matrix or alloy matrix.

WANG L, LI Q, ZHAO J

Lead-acid storage battery casting flux drying device comprises ventilation block, ventilation pipe, ventilation hole and device body.

SHAO S, MA X

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