|
GB497902A
|
|
Improvements in or relating to internal combustion oil engines
|
|
GB441458A
|
|
Improvements in the cylinder heads of explosion or combustion engines
|
|
GB272558A
|
|
Improvements in the air supply to internal combustion engines
|
|
GB271086A
|
|
Improvements in or relating to sleeve valves for internal combustion and other engines, pumps, and compressors
|
|
GB244471A
|
|
Improvements in or relating to sleeve valves for engines, pumps, or compressors
|
|
GB238894A
|
|
Improvements in sleeve valves in engines, pumps and compressors
|
