国家/地区 中国（3）
IPC部 B（3）
IPC大类 B21（3）
IPC小类 C21D（3）
IPC
发明人
公开年 2022（3）
申请年 2021（2） 
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

High-temperature aluminum alloy for floor heating pipe, comprises aluminum alloy tube base and corrosion-resistant coating, where aluminum alloy tube matrix includes silicon, iron, copper, magnesium, boron, bismuth, titanium, scandium and nickel.

PAN Z, XIONG M, YUAN X

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