国家/地区 中国（2）
IPC部 B（2）
IPC大类 B32（2）
IPC小类 B32B（2）
IPC
发明人 WANG J（2）
公开年 2022（2）
申请年 2022（2） 
专利权人

Preparing light weight and high-strength automobile wheel cover plate comprises spraying polyurethane adhesive on composite fiber web side, unwinding non-woven fabric and polyester film, coating polyurethane adhesive between non-woven fabric and polyester film, cold-pressing, cutting and punching.

WANG J, LI T

Composite directional drainage composite membrane, comprises geotextile, geomembrane, water-conducting rib and geotextile composite, where material of water-conducting rib is made of polypropylene, polyethylene, polyethylene terephthalate, polyamide fiber or plastic material.

GAO X, WANG J, YU H, DONG F, ZHAO C, MAN X, LI K, LIANG X, LU S