| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a piping cleaner 10 capable of certainly removing various pebbles or sands in fine piping 21 even if water is not used. <P>SOLUTION: The piping cleaner includes: at least two first and second cleaners 11 and 12 for internally cleaning the piping 21; and the first connecting cable 15a connecting the second cleaner 12 and the first cleaner 11 so that the relative tilting between those first and second cleaners 11 and 12 becomes free. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
