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

Preparing pipe material comprises cleaning mineral-inorganic composite materials, grinding, melting, casting and forming in combination with pipe mold by means of centrifugal casting, demolding and cooling, heating and densifying, and coating anti-corrosion coating.

WANG P

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

Graphene-containing graphite/aluminum-based self-lubricating sliding bearing comprises aluminum alloy layer outer ring, and graphite/aluminum-based self-lubricating composite layer inner ring.

YE X, XIAO K, CAO R, LIN X, WU B