国家/地区 世界知识产权组织（2）
IPC部 C（3）
IPC大类 C04（3）
IPC小类 C04B（3）
IPC
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

Multifunctional thin bituminous layer based on bituminous mixture, comprises bitumen, additive composition, and inorganic inert materials.

GIANNATTASIO F, CONI M

Single component waterproofing coating composition used in field of surface coatings, contains e.g. Portland cement, calcium carbonate, calcium stearate, graphite, mixture of natural resins based on water, thickener and polymeric dispersant.

BARBOSA C, VACISKI BARBOSA C