|
CA189953A
|
|
Fan and pump
|
|
GB131781A
|
|
Improvements in or relating to Centrifugal Pumps and the like.
|
|
GB120401A
|
|
Improvements in Multi-stage Centrifugal Fans and Pumps.
|
|
GB191207149A
|
|
Improvements in Centrifugal Fans or Blowers.
|
|
GB191129089A
|
|
Improvements in Centrifugal Pumps or Compressors.
|
|
GB191115603A
|
|
A Centrifugally Acting Pump or Compressor adapted to give a Mixed Fluid Discharge.
|
|
US1068755A
|
|
Hydraulic-jet suction apparatus.
|
|
GB191104836A
|
|
Improvements in Hydraulic Jet Suction Apparatus.
|
|
GB190900027A
|
|
Improvements in Hydraulic Apparatus for Exhausting or Extracting Air, Gas, or Vapour.
|
|
US924335A
|
|
Hydraulic air and other gas suction apparatus.
|
|
GB190821327A
|
|
Improvements in Hydraulic Suction Apparatus.
|
|
GB190801106A
|
|
Improvements in Hydraulic Air and other Gas Suction Apparatus.
|
|
GB190702423A
|
|
Improvements in the Means for Reducing Skin Friction of Ships and Boats.
|
|
GB190620674A
|
|
Improvements in the Means for Reducing Skin Friction of Ships and Boats.
|
|
CA349865A
|
|
Fluid operated power transmission device
|
|
CA280268A
|
|
Vacuum cleaner
|
|
CA301567A
|
|
Vacuum cleaner
|
