国家/地区
IPC部 B（2）
IPC大类 B29（2）
IPC小类 C08J（2）
IPC C08K003/04（2）
发明人
公开年 2021（2）
申请年 2020（2）
专利权人

Multifunctional composite sheet comprises base sheet having first functional film made of first functional material that generates effects of antibacterial, deodorizing, and electromagnetic shielding, and second functional film.

KIM K M

Reinforced wear-resistant polyethylene water supply pipe useful for trenchless construction, comprises pipe body including a pressure-resistant layer and compatible layer and compatibility layer arranged inside the pressure-resistant layer.

LIU J, TIAN X, LIU P, JIN R, ZHOU W, ZHANG W