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

Double insulation type self-limiting temperature heating cable used in electric heating element, comprises two parallel metal wire cores whose outside is covered with PTC material layer, where PTC material layer is covered with inner insulating layer and flame-retardant outer insulating layer.

JI C

Silicon carbide/hafnium carbide nanowire modified silicon carbide coating reinforced graphene honeycomb-based nano aerogel heat-insulating and wave-absorbing composite material includes nano aerogel.

YU H, YE X