国家/地区 中国（2）
IPC部 A（2）
IPC大类 A41（2）
IPC小类 A41D（2）
IPC A41D031/02（2）
发明人
公开年 2022（2）
申请年 2022（2）
专利权人

Breathable high-elastic mask fabric for preventing virus and bacteria of propagation path from flying foam, comprises upper layer, middle layer and lower layer, where upper layer and lower layer are non-woven fabrics and middle layer is composite film.

LIU Z

Waterproof fabric useful for e.g. down jackets, comprises e.g. warm-keeping layer, ventilating waterproof layer, water-absorbing and heating layer, and base cloth layer arranged from inner side to outer side, where heating layer is obtained by applying water-absorbing self-heating substance.

WU K, LIU H, CHEN Y