Invention Grant
US09560943B2 Cleaning apparatus 有权
清洁装置

Cleaning apparatus
Abstract:
A cleaning apparatus includes a flexible, initially flat sheet, which is attached to the cleaning head of a cleaning apparatus by interlocking with a compressible foam substrate on the cleaning head, or by attachment members carried on the cleaning head which interact with the sheet itself or with separate attachment members carried on the sheet and the cleaning head.
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