国家/地区 中国（4）
IPC部 A（2）
IPC大类
IPC小类
IPC
发明人 LIU M（4）
公开年
申请年 2020（2） 
专利权人 LIU M（4）

Stable graphene storage device, has placing frame whose top is slidingly mounted with tooth rod, where end of tooth rod is fixedly connected with output shaft of motor, and tooth rod matched with motor.

LIU M

Mask used for inhibiting bacteria and viruses, comprises mask body comprising graphene non-woven fabric outer layer, graphene filter middle layer and graphene non-woven fabric inner layer, and graphene ear straps.

LIU M

Heat-conducting structure for use in massage device, comprises substrate, silver paste circuit layer, graphene circuit layer and transparent protective layer.

LIU M, SHI H

Chinese internal medicine scraping treating device, has graphene storage battery electrically connected with right part of device handle, mounting plate provided with atomizing nozzle, and scraping plate fixing nut fixed on detachable plate.

LIU M