发明名称 |
Vacuum cleaner hose |
摘要 |
A supplementary hose attached to a main vacuum cleaner hose for carrying an electrical line is seated in a groove formed in the outside surface of the main vacuum cleaner hose. To increase the flexibility of the vacuum cleaner hose in all directions, the wall of the supplementary hose is perforated.
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申请公布号 |
US4524808(A) |
申请公布日期 |
1985.06.25 |
申请号 |
US19840575576 |
申请日期 |
1984.01.31 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT;TECHNOCHEMIE KESSLER & CO. GMBH |
发明人 |
FLEISCHER, WOLFGANG;EICHELBERGER, LEO;ENDRESS, GEORG |
分类号 |
A47L9/24;F16L11/127;(IPC1-7):F16L11/12 |
主分类号 |
A47L9/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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