国家/地区 中国（4）
IPC部 B（4）
IPC大类 B62（4）
IPC小类 B62D（2）
IPC
发明人
公开年 2021（4）
申请年 2020（4）
专利权人

Radiating type vehicle steel tube for vehicle, has main portion whose one end is connected with connecting section which is connected to main portion through transition section.

DENG G, LI H, DONG Z, QIU Z

Disk brake device for electric bicycle, has brake pump fixed on frame of electric bicycle through mounting seat, and remote control motor whose side is screwed with trigger circular plate, where brake pump is provided with travel switch.

TANG C

Tetrafluoride centrifugal pump for processing graphene, has belt wheels respectively installed on front end of rotating shaft and left side of rotating shaft, where two groups of belt pulleys are synchronously driven by belt.

LV H

Graphene powder receiving and storing device has barrel cover that is provided on outside of barrel neck and moisture-proof mechanism that is provided with moisture-proof box, sealing rubber ring, limit ring, sealing cover and handle.

SHI S, JIN T