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
公开年 2021（2）
申请年 2020（2）
专利权人

PPR pipe, has supporting platform fixedly provided with discharging component, where top part of discharging component is fixedly installed with machine cover and bottom part of portal frame is provided with fixing component.

WU J

High-pressure hydrogen storage device for hydrogen-water graphene battery generating system, has exhaust pipe whose left side is fixedly connected with valve, where left side of valve is fixedly connected with extending pipe.

LI K, YAN L, CAI W