|
US956535A
|
|
Pneumatic cleaner.
|
|
GB190517523A
|
|
Apparatus for Separating Dust from Dust Laden Air Currents.
|
|
GB190517524A
|
|
Process of Separating Solid Material Held in Suspension by Air Currents.
|
|
CA96451A
|
|
Apparatus for separating dust from dust laden air currents
|
|
CA96325A
|
|
Means of observing dust laden air currents
|
|
CA96450A
|
|
Separation of solid material held in suspension by air currents
|
|
US769618A
|
|
Means for observing dust-laden air-currents.
|
|
CA87183A
|
|
Pneumatic carpet renovator
|
|
CA87184A
|
|
Pneumatic carpet cleaner
|
|
GB190400728A
|
|
Improvements in Apparatus for Removing Dust and the like from Carpets, Floors and the like.
|
|
GB190322661A
|
|
Improvements in Means for Cleaning Carpets, Floors and the like.
|
|
CA70347A
|
|
Fish cleaning apparatus
|
