Mobile escalator-cleaning machine - has rollers and rotary brushes coupled by drive mechanism driven by escalator surface and has additional brush on telescopic boom
DK572387A
The rolls and of a number of rolls composed rolls
GB431192A
Improvements in diathermy apparatus
GB411021A
Improvements in diathermy apparatus
GB405808A
Improvements in diathermy apparatus
GB366837A
Improvements in stands for rontgen-tube apparatus
US1918927A
Drying apparatus
GB356614A
Improvements in appliances for drying the face and hands by hot air
GB345280A
Improvements in and relating to warm air hand-driers
GB307502A
Improvements in apparatus for drying the hands by means of warm air
ES111782A1
Electric hand dryer by means of hot air.
GB304148A
Improvements in high frequency apparatus
GB283106A
Improvements in and relating to safety devices for roentgen ray apparatus
ES105599A1
Safety device for "Roentgen" installations.
GB279838A
Improvements in and relating to safety arrangements for rontgen apparatus
GB278757A
Improvements in and relating to safety arrangements for rontgen apparatus
GB270744A
An improved method of preventing high-voltage accidents in roentgen ray apparatus
GB270327A
Improvements in and relating to safety arrangements for roentgen apparatus
GB250236A
Table for rontgen ray examinations and photography
