| 摘要 |
<p>The novel cleansing device comprises a suction pipe (1) associated at outer and preferably concentric location with an air and/or liquid spraying tube (2) opening adjacent the suction inlet (1') of the suction pipe. Spraying and suction may occur at the same time.</p><p>The device can be made for odontological use, industrial or artisan use, or also for domestic uses.</p> |
