国家/地区 韩国（2）
IPC部 C（2）
IPC大类 C23（2）
IPC小类 C23C（2）
IPC
发明人 LEE K B（2）
公开年 2021（2）
申请年
专利权人

Ammonia gas detection sensor useful in gas detection device to monitor and detect flammable, explosive and toxic gas comprises board, graphene sheet positioned on substrate and metal nanoparticles located on graphene sheet.

LEE K B, NAM Y, NAM J H, YOON S, LEE Y, NAH I W, OH I H

Composition useful for catalyst-free electroless plating, comprises metal precursors including nickel precursor, and iron precursors, cobalt precursors and/or copper precursors, reducing agent, and plated object.

KIM T, LEE K B, LEE S B, JUNG B M