国家/地区 中国（2）
IPC部 F（2）
IPC大类 F16（2）
IPC小类 F16L（2）
IPC
发明人 MA Z（2）
公开年 2023（2）
申请年 2022（2）
专利权人

Aramid fiber winding composite pipeline for conveying hydrogen, has wearable layer located in inner layer of hydrogen blocking layer, where wearable layer is wearable plastic and is provided between core tube layer and outer protective layer.

WANG Y, MA Z, ZHAO M, LI Y, YU J, TANG Z

Mortar lining material useful for ductile cast iron pipe lining for sewage, comprises high aluminum cement, granulated blast furnace slag micro powder, silicon ash, sand, water reducing agent, retarder, graphene oxide, and water.

WANG Y, MA Z, ZHAO H, WANG J