国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B29（2） C09（2）
IPC小类 B29D（2）
IPC B29D023/00（2）
发明人
公开年
申请年 2020（2）
专利权人

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

Preparing heating tube used for water heat pipe detection device, involves spraying acid solution on steel tube of metal material, adding phenolic resin to absolute ethanol, adding aluminum oxide, laying graphene fiber web, and extruding.

FANG Z