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 WANG X（2）
公开年
申请年 2021（2）
专利权人

Long service life graphene down jacket for use by people in cold area, has first wearable layer whose bottom portion is sewed with second wearable layer, where bottom portion of second wearable layer is sewed with third wearable layer.

DONG G, YAN Z, WANG X, HUANG Z, QIU L, HUANG G

Self-cleaning respirator comprises at least two layers of nonwoven fabric mixed coordination metal carbon nanofilm filter layer, and mask belt set between two layers of nonwoven fabric.

ZHANG X, WANG X, LIN Z, DIAO D