国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 B32B（2）
IPC B32B027/08（2）
发明人
公开年 2023（2）
申请年 2023（2）
专利权人

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

High ductility and high temperature resistant composite food packaging film useful for food packaging or food preserving, comprises modified composite film layer which is base modified film layer, maleic anhydride graft polyethylene resin film middle layer and polyethylene outer film layer.

CHEN C