国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2） C08（2）
IPC小类 B29D（2）
IPC C08L053/00（2）
发明人 WANG J（2）
公开年 2021（2）
申请年
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

Reinforced wear-resistant polyethylene water supply pipe, includes inner layer prepared from polyethylene resin, graphene functional masterbatch, core layer made of polyethylene graft resin, and outer layer of block copolymer polypropylene.

LIU J, WAN G, WANG J, TENG X, FU Y, LI H