| 发明名称 |
Method of cleaning tile grout |
| 摘要 |
A cleaning tool for cleaning the walls of a swimming pool or other concrete structures. Two different sized aggregate or abrasives are combined with a binder to provide an improved cleaning device. The binder and the aggregates are matched so as to wear at substantially identical rates.
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| 申请公布号 |
US2002096462(A1) |
申请公布日期 |
2002.07.25 |
| 申请号 |
US20020113665 |
申请日期 |
2002.03.28 |
| 申请人 |
WALTERS ROY J. |
发明人 |
WALTERS ROY J. |
| 分类号 |
A01K61/00;A47L13/10;B08B1/00;B24D15/00;E04H4/16;(IPC1-7):B24D3/34 |
主分类号 |
A01K61/00 |
| 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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