国家/地区 中国（3）
IPC部 C（3）
IPC大类 C04（3）
IPC小类 C04B（3）
IPC
发明人 ZHANG X（3）
公开年 2023（3）
申请年 2023（3）
专利权人

Chromium reducing type cement grinding aid useful in building material, comprises grinding aid shell, reducing agent, protective agent, penetration enhancer, and water, where reducing agent is sodium thiosulfate.

LIU Y, ZHANG X, ZHANG H, ZHANG Z

Cement-based composite slurry comprises cement, sea sand coated with graphene oxide, water reducing agent and water.

LI L, FENG G, LUO Q, ZHANG X, LUO S, LONG W

Anti-overheating electric floor heating module used in floor heating, comprises installation bottom case and electric heating film body, where electrothermal film body is fixedly installed in installation bottom shell, and lower side of electrothermal film body is provided with insulation layer.

LIU X, ZHANG X