A piston assembly with self-adjusting and self-lubricating device
A Standard patent application filed on 03 May 1996 credited to Wang, Baodong
;
Cai, Xiaoshan
;
Xue, Chuansi
;
Cai, Ping
Details
Application number :
54953
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
A piston assembly with self-adjusting and self-lubricating device