国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2） B32（2）
IPC小类 B01D（2）
IPC B32B037/10（2）
发明人
公开年 2021（2）
申请年
专利权人

Laminated porous ceramic filtering material used for purifying high temperature coal gas, comprises first, second, third, fourth porous ceramic material layers arranged in sequence.

LIU J, BI C, YANG X, ZHANG J, LU Y, YUN K

Preparing graphene dust-removing cloth comprises e.g. preparing spinning solution, spraying to obtain modified graphene fiber intermediate layer; obtaining interlayer stock solution, and spraying to obtain intermediate interlayer.

LI X, ZHANG D, WEI Y, DAI J