The piston compression ring assemblies being self-lubricated and self-adjusted
A Standard patent application filed on 03 May 1996 credited to Wang, Baodong
;
Cai, Ping
;
Cai, Xiaoshan
;
Zhang, Yumin
;
Xue, Chuansi
Details
Application number :
54952
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
The piston compression ring assemblies being self-lubricated and self-adjusted