国家/地区 中国（2）
IPC部 B（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC C09D001/00（2）
发明人
公开年 2018（2）
申请年 2018（2）
专利权人

White-graphene double-sided hardened polyethylene terephthalate optical film, comprises polyethylene terephthalate base material layer, white graphene hardening layer on lower surface of base material layer, and protective film layer.

LI X, DUAN X

Graphene anion tea aroma machine comprises a shell body, inner cylinder and upper cover assembly, where the upper cover assembly is detachably closed at an opening provided at the top of the inner cylinder.

QIN J