Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B08
CLEANING
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B08B
CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
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1/00
Cleaning by methods involving the use of tools
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B08B1/30
by movement of cleaning members over a surface
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B08B1/32
using rotary cleaning members
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B08B1/34
rotating about an axis parallel to the surface
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