国家/地区 中国（2）
IPC部 B（2）
IPC大类 B32（2） C09（2）
IPC小类 B32B（2）
IPC B32B015/20（2）
发明人
公开年 2020（2）
申请年
专利权人

Preparing graphene layered composite floor heating board comprises e.g. preparing graphene electric heating filler and graphene electric heating coating and then coating graphene electric heating coating.

DOU B, WANG X

Graphene coating structure comprises base layer, copper layer, first graphene coating and second graphene coating, where top and bottom of copper layer are provided with multiple of protrusions located in copper sheet layer at top of convex part.

LIU B, GU D