| 发明名称 |
VACUUM CLEANER |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a vacuum cleaner that does not tire a user even if uses it for many hours by carrying it on the back. SOLUTION: In carrying on the back type vacuum cleaner that is carried on the back by shoulder straps, at least two or more supporting portions butt the back of a user.
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| 申请公布号 |
JP2002320573(A) |
申请公布日期 |
2002.11.05 |
| 申请号 |
JP20010126871 |
申请日期 |
2001.04.25 |
| 申请人 |
HITACHI LTD;HITACHI TAGA TECHNOL CO LTD |
发明人 |
SUZUKI RIYUUJI;YABE KEIICHI;TANAKA HIROBUMI;SUNAKAWA MASARO |
| 分类号 |
A47L9/00;A47L9/28;(IPC1-7):A47L9/00 |
主分类号 |
A47L9/00 |
| 代理机构 |
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