国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC
发明人 YUAN C（2）
公开年 2022（2）
申请年
专利权人

Device for removing green alga in modern agriculture, has first cavity and second cavity that are provided with composite graphene sand filter layer, where upper part of filter layer located in first cavity is provided with filter cotton layer.

YANG X, CHENG J, YUAN C, LONG Y

Special integrated waste gas processing device for preparing graphene, has trapping region provided with multi-stage runway type guide air passage, where lower part of air passage is collecting groove.

FAN Q, SHEN P, TIAN Z, BEI D, YUAN C, LV Y, HUANG K, ZENG J, WANG J