国家/地区 中国（2）
IPC部 B（2）
IPC大类 B23（2）
IPC小类 B23P（2）
IPC
发明人
公开年 2021（2）
申请年 2021（2）
专利权人

Preparing worm wheel and worm useful for heavy-load vehicle main reducing system, comprises e.g. melting low-carbon steel, mixing graphene, aluminum-doped zinc oxide powder and phenolic resin conductive adhesive powder, and polishing.

YI Y, LI J, LI C

Spoke alloy disc material used in spoke disc, comprises zinc, magnesium, copper, scandium, zirconium, iron, nickel, silicon, phosphorus diatomite, modified diatomite, and sulfur diatomaceous earth.

ZHAO X