国家/地区 韩国（3）
IPC部 C（3）
IPC大类 C04（3）
IPC小类 C04B（3）
IPC C04B014/02（3）
发明人
公开年 2023（3）
申请年 2022（3） 
专利权人

Inter-floor noise prevention system of house useful for preventing noise generated in upper floor from being transmitted to the lower floor, comprises sound absorbing plate installed on concrete slab, and sound wave vibration blocking plate.

HO S J

Heat-resistant concrete structure used in road icing prevention system, has embedded heater inserted into side of concrete body i.e. formed with heater embedded groove in which heater is seated to have predetermined embedded depth.

TAEHUN K, SAGONGMYUNG, PARK J W, YOO H J, LEE D K, KANG S J, KIMCHANGJOO

Ultra-fine powder ultra-fast-setting cement concrete composition used for paving road, comprises specified amount of slag cement, Portland cement, fine-grained silica sand, alumina cement, calcium sulfo-aluminate, gypsum, calcium oxide and calcium sulfate.

JUNG S Y