国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 B29D（2）
IPC C08L053/00（2）
发明人
公开年 2021（2）
申请年 2021（2）
专利权人

Production device for lightweight and wear-resistant indoor cotton shoes, has pressing plate installed at end of piston rod of lifting cylinder, and guide seat fixedly installed at bottom of inner cavity of grinding chamber.

GAO L, JIANG Y, ZHANG S, GAO X, WANG J

Fluorine-free solar battery back plate useful in solar cell module, comprises inner layer and outer layer from inside to outside; raw material for preparing inner layer includes polyolefin.

CAI S, JIAO H