国家/地区 中国（2） 欧洲专利局（EPO）（2） 世界知识产权组织（2）
IPC部 B（3）
IPC大类 B32（3）
IPC小类 B32B（3） C21D（3） C23C（2）
IPC C21D008/02（3）
发明人
公开年 2022（2）
申请年 2022（2） 
专利权人

Electrical steel used as strip e.g. steel sheets, comprises functional layer comprising ferromagnetic material and additional layer comprising non-magnetizable material, which are connected by adhesive bond with atomic diffusion.

FRANKEN C, PLATT J

Method for manufacturing corrosion resistant aluminum brazing composite plate for use in automobile, involves performing hot rolling, primary annealing, cold rolling, secondary anneal and cooling to obtain corrosion-proof aluminum brazing composite plate.

DING D, DING X

Graphene coated sheet for surface-treated steel plate used in e.g. car material, has graphene layer that is formed on steel sheet structure.

HWANG C C, JUNG Y G, HWANG H N, JEONG J I, YANG J H, JUNG Y, JEONG J, YANG J, HWANG H, HWANG C, GUK H C, IN J J, HUN Y J, GYUN J Y, NA H H