国家/地区 中国（2）
IPC部 C（2）
IPC大类 C04（2）
IPC小类 C04B（2）
IPC C04B028/04（2）
发明人
公开年 2023（2）
申请年
专利权人

Prefabricated building block used in isolation body for underground sealing, has cuboid with honeycomb skeleton structure, and pores of honeycomb skeleton structure are filled with graphite polystyrene foam particles, where honeycomb skeleton structure includes silicate cement, fiber and graphene.

YU J, SHI J, WU W

Leveling and preparing elastic sound-insulating floor slab, comprises using laser scanning to obtain height difference and distribution of floor, arranging damping springs on floor, leveling floor, spraying interface agent and laying thick elastic sound-insulating coating on interface layer.

YANG Y, WANG L, ZHAO Z, WU Y, MA Y