国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 ZHANG W（2）
公开年
申请年 2017（2）
专利权人 ZHANG W（2）

Internet-of-things based safety positioning-type shoe for children, has electric heating wire and temperature sensor connected with controller, and flash lamp, signal transceiver and GPS locator connected with graphene storage battery.

ZHANG W

Device for producing graphene thin film coiled material, comprises cabin body, which is orderly provided with atomic concentrator, field-effect separator by graphene film coiled material production process, and hall discharging unit.

ZHANG W