国家/地区 中国（3）
IPC部 E（3） B（2）
IPC大类 E04（3） B32（2）
IPC小类 E04B（3）
IPC E04B001/98（3）
发明人
公开年 2023（3）
申请年 2022（3） 
专利权人

Heat-insulating building wallboard comprises inner energy-absorbing buffer layer, inner thermal insulation layer, outer thermal insulation layer and outer flame-proof and flame-retardant layer arranged sequentially from inside to outside.

SUN Y, WANG Z, XU H

Shock-proof and sound-proof composite board comprises upper layer of firm layer, quake-proof layer, sound insulation layer and lower layer of firm layer in sequence from top to bottom, and anti-seismic layer sequentially with upper layer modified graphite plate from up to down.

ZHANG Y, RAN Y, DOU Q, XU J, ZU X

Double-stage friction electromagnetic damper used in technical field of engineering damping, has soft steel damper that rotates from original friction energy consumption to enter second stage of bending energy consumption.

HE Z, CHEN Z, GUO T, SU L