Grinding pin for use in grinding the needle tip and seat in a needle housing of a fuel valve
A Standard patent application filed on 15 November 1990 credited to Kalleberg, Jacob
Details
Application number :
67318
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Grinding pin for use in grinding the needle tip and seat in a needle housing of a fuel valve