国家/地区 中国（2）
IPC部 B（2）
IPC大类 B07（2）
IPC小类 B07B（2） F26B（2）
IPC B07B001/22（2）
发明人
公开年
申请年
专利权人

Raw material processing device for nano-particle graphene composite catalyst preparation, has moving piece that is matched with cover plate to form cylinder, and is rotatably provided with frame body for sieving raw material.

PI X, WANG R, ZHAN F, WANG Q, BAO L

Graphene sieving device, has containing box whose front side is fixed with mounting plate, and holding ring and supporting rod fixedly provided with supporting block, where holding ring is installed on upper surface of left side of end cover.

INVENTOR U