国家/地区 中国（3）
IPC部 B（3）
IPC大类 B32（3）
IPC小类 B32B（3）
IPC B32B009/02（3）
发明人 ZHANG L（3）
公开年 2022（3）
申请年 2022（3） 
专利权人 GUANGDE TIAN.（3）

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

Environmentally-friendly regenerative sound insulation filter cotton useful for automobile interior trim, comprises e.g. damping vibration damping sheet, porous non-woven gasket, honeycomb elastic resin net, and aluminum alloy wire.

ZHANG L, PAN J

High-strength sound-proof filter cotton for household appliances, has porous non-woven pad provided with regenerative polyvinyl chloride plastic cloth, and both sides of regenerative polyvinyl chloride plastic cloth provided with foam plastic layer.

ZHANG L, PAN J