| 发明名称 |
Vacuum cleaner bag |
| 摘要 |
A disposable vacuum cleaner bag of paper is insertable into a bag compartment of a cleaner. It has an open dirt intake end and a remote closed end. At the closed end the bag is provided with one or more reinforcing strips having bevelled edges.
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| 申请公布号 |
US4155727(A) |
申请公布日期 |
1979.05.22 |
| 申请号 |
US19770829983 |
申请日期 |
1977.09.01 |
| 申请人 |
VORWERK & CO INTERHOLDING GMBH |
发明人 |
KAULIG, HEINZ |
| 分类号 |
A47L9/14;(IPC1-7):B01D46/02 |
主分类号 |
A47L9/14 |
| 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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