国家/地区 中国（2）
IPC部 B（2）
IPC大类 B32（2）
IPC小类 B32B（2）
IPC B32B005/02（2）
发明人 LI C（2）
公开年
申请年
专利权人

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

Printing box for large sheet-shaped automatic packaging line, has top part of graphene aqueous painting layer that is provided with printing ink pattern layer.

LI C, WANG Y