An improved piston ring for a piston in a refrigerant compressor
A Standard patent application filed on 20 February 1986 credited to Takahashi, Hidenao
;
Hatakeyama, Hideharu
Details
Application number :
53833
Application type :
Standard
Application status :
EXPIRED
Under opposition :
No
Proceeding type :
Invention title :
An improved piston ring for a piston in a refrigerant compressor