国家/地区 中国（3）
IPC部 C（3）
IPC大类 C21（3）
IPC小类 C21D（3）
IPC C21D001/26（2） C21D009/00（2）
发明人
公开年 2023（3）
申请年 2023（3）
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

Preparing nut with composite coating on its surface comprises ultrasonically dispersing modified fluorinated graphene, titanium boride-silicon dioxide, and xylene, adding mixed solution, melting copper, aluminum, chromium, iron, manganese, nickel, silicon and zinc, cooling, and heat treating.

YANG Z, GAO F, JIANG X

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