| 发明名称 |
Unit for producing cavities in concrete structures with external nonbonded prestressing elements is obtained by combining constituent parts with required geometries |
| 摘要 |
The unit (1) for producing cavities in concrete structures with external nonbonded prestressing elements has a geometry obtained by combining constituent parts with required geometries.
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| 申请公布号 |
DE19934872(A1) |
申请公布日期 |
2001.03.22 |
| 申请号 |
DE19991034872 |
申请日期 |
1999.07.24 |
| 申请人 |
BILFINGER + BERGER BAUAKTIENGESELLSCHAFT |
发明人 |
KRILL, ALFRED;FISCHER, OLIVER;SONNECK, STEPHAN |
| 分类号 |
E01D19/14;E04C5/08;E04C5/10;E04G15/06;(IPC1-7):E04G15/00;E04B1/06 |
主分类号 |
E01D19/14 |
| 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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