国家/地区 中国（2）
IPC部 F（2）
IPC大类 F02（2）
IPC小类 F02M（2）
IPC
发明人
公开年
申请年 2021（2）
专利权人

Defrosting device for branch pipe pressure reducing valve, has motor installed on top part of shell, rotating rod installed at bottom output end of motor, where rotating rod and dust-proof net are in same vertical line.

HOU S

Automobile oil delivery pipe assembly for providing conveying petroleum for automobile, has oil conveying pipe comprising poly-chlorine base material layer silicon oil layer and scale anti-corrosion coating.

GUO P