|
US3112867A
|
|
Blowers and motors with cooperating rotors
|
|
GB1021101A
|
|
Improvements in blowers and motors with cooperating rotors
|
|
GB891017A
|
|
Improvements in roots blowers
|
|
GB856991A
|
|
Improvements in motors having cooperating rotors
|
|
GB799337A
|
|
Improvements in rotary motors of the roots blower type
|
|
DE1037759B
|
|
Internal combustion engine
|
|
US2888800A
|
|
Engine with exhaust gas extractor
|
|
US2667046A
|
|
Cooler for gas leaving roots blowers
|
|
GB699923A
|
|
Improvements in or relating to internal combustion engines
|
|
GB689844A
|
|
Device for supplying compressed air to aircraft cabins
|
|
GB685934A
|
|
Improvements in cooling systems for roots blowers
|
|
GB666091A
|
|
Improvements in compressed-air motors
|
|
US2580006A
|
|
Compressor
|
|
GB668633A
|
|
Improvements in or relating to refrigeration
|
|
GB653535A
|
|
Improvements in or relating to oil seal devices for relatively rotating members
|
|
CA489891A
|
|
Compressors
|
|
CA500410A
|
|
Refrigeration
|
|
CA596818A
|
|
Internal combustion engines
|
|
CA632668A
|
|
Turbo-charger of the roots blower turbine type
|
|
CA598452A
|
|
Internal combustion engines
|
