国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 C09D（2）
IPC C09D183/04（2）
发明人
公开年 2022（2）
申请年 2022（2） 
专利权人

Modified polyethylene wearable composite pipe for water supply and drainage of municipal and building, has glass fiber line that is provided with multiple layers on outer layer pipe structure, inner tube body and outer layer pipe body fixedly connected with the inner layer pipe body.

LIN J

Foam plastic self-crust mold comprises a mold main body, where the outer surface of mold main body is set with graphene heating layer, and inner cavity wall of the mold main body is provided with a demolding layer formed by coating and drying demolding slurry comprising e.g. polytetrafluoroethylene.

HUANG R, WANG Y