国家/地区 中国（2）
IPC部 B（2）
IPC大类 B21（2）
IPC小类 B21B（2）
IPC
发明人
公开年 2022（2）
申请年
专利权人

High hardness and high nickel-chromium-molybdenum composite roll structure, has rotating ring whose one side is fixedly welded with hard scraper, and hard scraper has T-shaped structure movably attached to inner wall of circular cavity.

ZHANG D, CHEN M

Preparation method of metal magnesium-copper-graphene layered composite material, involves annealing accumulated and rolled plate to obtain laminated magnesium-based composite plate reinforced by graphene and copper.

PAN F, WANG Y, LUO H, TANG B, LI J, CHEN X