国家/地区 中国（2）
IPC部 B（2）
IPC大类 B65（2）
IPC小类 B65D（2）
IPC C08K003/04（2）
发明人
公开年
申请年 2021（2）
专利权人

Electromagnetic shielding polypropylene composite film useful in packaging material field, namely electronic product packaging, comprises e.g. first film layer formed by first polypropylene composition and second film layer formed by second polypropylene composition i.e. resin component.

CHOU B, BAI Y, DONG M, QUAN H, GAO D, XU M, LV Y

Radiation-resistant polymer degradable round cream bottle comprises gasket on inner top of outer cover of cream bottle, outer diameter of bottle opening of outer bottle is provided with outer screw thread, gasket seal is arranged at bottle opening at outer screw thread of outer bottle.

XU H, LUO D, SUN S, HUANG X, HUANG Y, HUANG J