SURFACE CLEANING MACHINE COMPRISING COUNTER-ROTATING CLEANING ROLLER UNITS AND METHOD FOR OPERATING SUCH A SURFACE CLEANING MACHINE
The invention relates to a surface cleaning machine (10), comprising a cleaning head (12) having a first cleaning roller unit (16), which is driven in a rotating manner in a first rotational direction (36), and having a second cleaning roller unit (18) which is driven in a rotating manner in a secon...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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