国家/地区 中国（2）
IPC部 B（2）
IPC大类 F26（2）
IPC小类 F26B（2）
IPC F26B021/00（2）
发明人 CHEN W（2）
公开年
申请年
专利权人

Graphene electric heating film automatic production device, has potentiometer that is electrically connected with frequency converter of motor, and gear that is installed on adjusting shaft, where gears are meshing each other.

WANG Y, HE L, CHEN W

Modified extruding device for preparing graphene color master batch, has bearing seat whose inner part is provided with shaft rod whose surface is fixedly installed with multiple fan blades.

HUANG C, CHEN W