发明名称 |
Keyed poroton/cellular concrete brick has keyway provided at top and bottom so that during working the bricks can be accurately placed by connecting key |
摘要 |
<p>During the manufacture of the poroton/cellular concrete brick a keyway is provided at the top and bottom so that during working the bricks can be accurately placed by a connecting key.</p> |
申请公布号 |
DE20300585(U1) |
申请公布日期 |
2003.04.30 |
申请号 |
DE2003200585U |
申请日期 |
2003.01.15 |
申请人 |
OTTE, HERBERT |
发明人 |
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分类号 |
E04B2/02;E04B2/06;(IPC1-7):E04C1/00 |
主分类号 |
E04B2/02 |
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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