国家/地区 世界知识产权组织（2）
IPC部 C（4）
IPC大类 C04（4）
IPC小类 C04B（4）
IPC C04B028/04（2） C08K003/04（2）
发明人
公开年 2023（4）
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

Advanced deep hole liquid explosion fracturing structure useful for downlink comprehensive digging hard rock tunnel, has bag injecting pipe whose end is set on outer side of blast hole, and bag hole sealing device filled with special blasting hole sealing grouting material.

YANG S, TONG X, GAO A, YANG J, XU G

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