国家/地区
IPC部 C（2）
IPC大类 C04（2） E04（2）
IPC小类 C04B（2）
IPC C04B024/40（2）
发明人
公开年
申请年 2022（2）
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

Industrial slag solid waste light fireproof partition board useful for e.g. industrial building and residential building, comprises e.g. industrial slag, low-alkali sulfate aluminum cement, polystyrene particle, zirconium oxide, polypropylene fiber, steel fiber and modified flame retardant.

RONG X, CAI Z, RONG Y, ZHANG H, RONG Q