| 发明名称 |
Splitting technique |
| 摘要 |
A concrete masonry unit having a top surface with a splitting pattern formed therein. The splitting pattern has a splitting groove which intersects at least one recessed region formed in the top surface.
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| 申请公布号 |
US6029943(A) |
申请公布日期 |
2000.02.29 |
| 申请号 |
US19970807264 |
申请日期 |
1997.02.28 |
| 申请人 |
ANCHOR WALL SYSTEMS, INC. |
发明人 |
SIEVERT DICK J. |
| 分类号 |
B28B17/00;E02D29/02;E04B2/02;E04C1/39;(IPC1-7):B28B7/14 |
主分类号 |
B28B17/00 |
| 代理机构 |
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