国家/地区 中国（2）
IPC部 C（2）
IPC大类 C09（2） F24（2）
IPC小类 C09D（2）
IPC
发明人 ZHANG X（2）
公开年
申请年
专利权人

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

Carbon black-graphene nano solar absorber used for manufacturing e.g. solar water heater, contains black nano-carbon black-graphene particles, polyethylene glycol, dispersion medium, and pH adjusting agent containing formic acid.

ZHANG X, GUI W, WEI Y, TANG Q, JIA Q