国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B01D046/10（2）
发明人
公开年 2023（2）
申请年 2023（2）
专利权人

Combined waste gas negative ion graphene comprises purifying device main body, inner wall of air inlet pipe fixedly connected with filter screen, dust removing structure, and dust collecting structure.

GUO Q, SUN L

Polar ear glue structure useful in battery, comprises pole ear glue main body comprising pole ear glue core film layer, where upper and lower sides of pole ear film layer are symmetrically provided with glue layer, and polypropylene connecting layer provided on side of glue-proof layer.

HE S, YI H, LIU W