| 摘要 |
<p>A VACUUM CLEANER HEAD A vacuum cleaner (10) having a hollow body (11). The body (11) includes a coupling (12) providing a conduit (13) to which air under reduced pressure is delivered. The body (11) has a transverse slot (16) that faces the floor surface to be cleaned. Forward or rearward of the slot (16) are wheels (20). CC-, cu,</p> |
