A pair of co-operating screw rotors, a screw rotor and a rotary screw machin
A Standard patent application filed on 01 December 1997 credited to Thuresson, Erik
;
Ohman, Henrik
Details
Application number :
77391
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
A pair of co-operating screw rotors, a screw rotor and a rotary screw machin