| 发明名称 |
Multifunctional composite block for manual treatment of surfaces |
| 摘要 |
A block including several different pads (1) attached to a flexible connecting sheet (2) that permits superimposing the pads in at least to two different configurations so that the surfaces of different pads define the outer surface of the block.
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| 申请公布号 |
US5140785(A) |
申请公布日期 |
1992.08.25 |
| 申请号 |
US19910715005 |
申请日期 |
1991.06.13 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
ELEOUET, BERNARD |
| 分类号 |
A47L13/16;A47L13/17;A47L17/08 |
主分类号 |
A47L13/16 |
| 代理机构 |
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代理人 |
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