发明名称 |
STOFVERZAMELENDE WEGWERPZAK VOOR GEBRUIK BIJ STOFZUIGERS. |
摘要 |
<p>A disposable dust-collecting bag consisting of a mat which has been folded once in its transverse direction and consists of several layers of separate strips of non-woven fibrous web laid in parallel relationship in each layer and so that the strips of non-woven fibrous web in one layer are laterally displaced with regard to the strips of non-woven fibrous web in the adjacent layer or layers.</p> |
申请公布号 |
NL181834(C) |
申请公布日期 |
1987.11.16 |
申请号 |
NL19770007940 |
申请日期 |
1977.07.15 |
申请人 |
ANDERS ENGEN TE BILLINGSTAD, NOORWEGEN. |
发明人 |
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分类号 |
A47L9/14;(IPC1-7):A47L9/14 |
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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