国家/地区 韩国（2） 世界知识产权组织（2）
IPC部
IPC大类
IPC小类
IPC
发明人 KANG K（2）
公开年 2023（2）
申请年 2022（2） 
专利权人

High-strength steel plate comprises base steel plate, and ferrite layer having internal oxide layer on which iron-nickel alloy layer is formed with excellent surface quality formed in internal oxide layer from surface of ferrite layer.

LEE K, LEE C, KANG K, KIM N, JANG Y, LEE J, KANG K C, KIMNAMAH, JANG Y M

Pharmaceutical composition, food composition or composition useful for preventing, treating or improving cancer e.g. thyroid cancer, cervical cancer, brain cancer, lung cancer or ovarian cancer, comprises nano-graphene structure.

KANG K, KIM D, RYU J, SUN K, HYEON K D, CHOUL Y