国家/地区
IPC部 C（2）
IPC大类 C02（2）
IPC小类 C02F（2）
IPC
发明人
公开年 2021（2）
申请年 2021（2） 
专利权人

Graphene electric heating furnace comprises inner part provided with graphene heating sheet of box body, filter piece installed in box body comprising fixed filter piece and movable filter piece, and driving piece.

FAN Q

Defluoridation gadget used to obtain fluoride free water for wastewater treatment, comprises solar panel, battery, inverter, three 100 L polytetrafluoroethylene containers, one DC Motor, and stirring unit fitted with DC motor.

ROY S, DAS M, SOLANKI A, TRIPATHI S, SINGH A K, SAHA S, KUMAR D, SRIVASTAV S, PHOGAT M, DADHEECH P, KUNDU S, CHOWDHURY S R