发明名称 |
Disposable two-ply filter |
摘要 |
A disposable two-ply vacuum cleaner bag comprises a highly air permeable inner filter ply of randomly intertangled, discontinuous microfibers of synthetic material and a conventional outer ply of air permeable material.
|
申请公布号 |
US5080702(A) |
申请公布日期 |
1992.01.14 |
申请号 |
US19900480575 |
申请日期 |
1990.02.15 |
申请人 |
HOME CARE INDUSTRIES, INC. |
发明人 |
BOSSES, MARK D. |
分类号 |
A47L9/14;B01D39/08 |
主分类号 |
A47L9/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|