国家/地区 中国（2）
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（2）
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

Environmentally-friendly wall brick used in filling wall and bearing wall, comprises fly ash, coal gangue, waste concrete, graphene oxide, cement, water reducing agent, retarder, and water.

FU Y, WANG C, HOU B

Graphene modified photovoltaic roof high molecular waterproof paint comprises liquid material and powder material, where liquid material consists of polymer emulsion, modifier, surfactant, thickening agent and water and the polymer emulsion is vinyl acetate emulsion and pure acrylic emulsion.

HUANG J, LI Y, LIU G, WANG J