国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 B29D（2）
IPC B29D007/01（2）
发明人
公开年 2022（2）
申请年 2022（2） 
专利权人

Composite polyester film used in battery, comprises polyester layers comprising polyester material and additive, and are respectively located on surface of two sides of another polyester layer, and has preset carboxy terminal carboxyl content.

ZHANG G, LI X, XIA J, WANG S, ZHU Z

Non-fiber reinforced fluorine-containing resin based high-frequency copper-clad plate comprises copper foils positioned on two sides of a fluorine-containing resin base plate positioned in the middle, which is prepared by using fillers such as silica, alumina, and titanate coupling agent.

XIANG Z