国家/地区 中国（2）
IPC部 B（2）
IPC大类 B32（2）
IPC小类 B32B（2）
IPC B32B033/00（2）
发明人 LI C（2）
公开年 2023（2）
申请年 2022（2） 
专利权人

Wave-absorbing structural composite material used for wave-absorbing coatings and wave-absorbing patches, has electric loss absorbing layer including multilayer structural layer and multilayer electrical impedance matching layer.

LI Z, LI C, YU W, TIAN J, YANG Z, SUN X, JIANG Y, YI S, ZHANG J, YU H

Deep sewing coated polyurethane seat leather used in e.g. seats and instrument panels comprises surface layer arranged between base cloth and coating layer, reinforced leather arranged on side of base cloth away from surface layer and polyurethane leather and reinforced cloth are bonded by glue.

ZHANG Y, ZHANG F, LI C, SUN L, GAO H