国家/地区 韩国（3）
IPC部 B（3）
IPC大类 B05（3） B21（2） C23（2）
IPC小类 B05D（3）
IPC B05D007/14（3）
发明人 IMKIHYUN（2） LEE J H（2） SANG L J（2）
公开年 2023（3）
申请年 2023（2） 
专利权人 NDT ENG AER.（2）

Heterogeneous coated steel sheet useful for display device comprises grater, heat insulating coating layer formed on first region and heat dissipation coating layer formed on second region of first surface of steel sheet.

KIM J K, CHO J D

Device for coating graphene on surface of metal material, has graphene supply pump transferring graphene to inner chamber through graphene supply line, and graphene recovery pump transferring graphene to graphene storage unit.

IMKIHYUN, LEE J H, SANG L J

Apparatus for coating graphene on surface of metal material, has graphene recovery pump that is provided for transferring graphene to graphene storage unit through graphene recovery line.

IMKIHYUN, LEE J H, SANG L J