国家/地区 中国（2）
IPC部 F（2）
IPC大类 F04（2）
IPC小类 F04D（2）
IPC F04D025/16（2）
发明人
公开年
申请年 2020（2）
专利权人

Physical therapy massage non-blade hanging neck fan, has control circuit board provided with pulse generating circuit and heating circuit, and massage head provided with graphene heating sheet that is electrically connected with generating circuit.

SHI R

Cooling device for graphene heating plate production, has clamping rod fixing device that is movably connected with one end of transmission rod whose other end is fixedly connected with bottom of lifting plate set on top of fan fixing plate.

GENG H