国家/地区 中国（3）
IPC部 C（3）
IPC大类 C21（3） C22（2）
IPC小类 C21D（3）
IPC C21D001/26（3）
发明人 LI J（2）
公开年 2023（3）
申请年 2023（2） 
专利权人

Horizontal annealing furnace cooling device, has movable block whose side is connected with output end of cylinder, where inner top end of reserved groove is symmetrically provided with radiating fan.

WANG H

Corrosion-resistant stainless steel pipe comprises pipe body and anti-corrosion coating applied on surface of pipe body, where pipe body comprises carbon, titanium, niobium, chromium, molybdenum, iron and rare earth element including rare earth oxide modified by nano-silicon carbide.

LI J, XIANG L, WANG J

Preparing battery steel case coated with metal layer on the surface, comprises e.g. grinding surface of low-carbon steel strip, performing electroplating in nickel-iron plating solution, surface magnetron sputtering of cobalt, and electroplating in nickel-iron-cobalt-phosphorus plating solution.

LI J, ZHOU H