国家/地区 中国（3）
IPC部
IPC大类
IPC小类
IPC
发明人 XU G（3）
公开年 2022（2）
申请年
专利权人 XU G（3）

Device for sampling mass of graphene used for manufacturing electronic component or transistor, has first conical gear meshed with second gear, where surface of first moving box is equipped with adjusting mechanism.

XU G

Combined wellhead device of watering valve group with anti-freezing and blocking function, has connecting column whose top is fixedly installed with rotating plate, and surface of connecting column is movably sleeved with switch component.

SUN P, CHANG C, XU G

Sintering furnace device for removing residual graphene from diamond powder, has cooling device whose left and right ends are provided with gas pipes, and is connected to air outlet through specific gas pipe.

XU G