国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B29（2）
IPC小类 B29D（2）
IPC B32B027/06（2）
发明人
公开年
申请年
专利权人

Multifunctional cotton-based sound-absorbing felt useful for automobile interior trim, comprises porous non-woven liner set in middle, damping vibration damping block and honeycomb elastic resin net are fixedly connected, and porous non-woven liner includes regenerated cotton staple fiber.

ZHANG L, PAN J

Mildew-proof wear-resistant environment-friendly polyvinyl chloride artificial leather comprises base cloth layer, and polyvinyl chloride surface layer comprising polyvinyl chloride resin, functional elastomer, plasticizer and foaming agent.

ZHANG H