国家/地区 中国（4）
IPC部 B（4） C（4） F（2）
IPC大类 B05（4） C09（2） F16（2）
IPC小类 B05D（4）
IPC B05D007/22（4）
发明人
公开年 2023（4）
申请年 2022（3） 
专利权人

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

Processing corrosion resistant layer of water pump body useful for transmitting water liquid comprises e.g. using clean water to wash inner and outer sides of pump body, for removing dust and impurities on inner and external surfaces of pump body and using spray gun to sand blasting and roughening.

DONG K, GENG H, LI G, FENG Y, FENG J

Forming substrate in substrate hole used in plating technology involves pre-processing surface of insulating base material and hole structure, coating graphene dispersion, applying different rotation radius and different rotating speeds to insulating base and plating material with conductive layer.

XIANG Q, YE G, CAO X, ZHANG J, LU J, MA Y, ZHENG K

Preparing internal spiral polyvinyl chloride drainage pipe, comprises e.g. bending and spiraling steel wire, extruding, injecting into brushing mechanism, carrying out spiral groove processing, forming inner spiral groove, spraying, extruding, painting and performing preliminary drying.

LIU Z