| 发明名称 |
Door unit for airtight closure of containers with an internal pressure differing from the atmospheric pressure comprises a frame whose bottom member is flush with the container floor and the driveway into the container |
| 摘要 |
<p>The door unit for airtight closure of containers with an internal pressure differing from the atmospheric pressure comprises a convergent frame which is set into the concrete structure of the container in such a way that the top surface of its bottom member is flush with the container floor and with the top of the driveway into the container.</p> |
| 申请公布号 |
DE20118847(U1) |
申请公布日期 |
2003.03.27 |
| 申请号 |
DE2001218847U |
申请日期 |
2001.11.19 |
| 申请人 |
SIEGHART, DIETHER |
发明人 |
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| 分类号 |
E06B5/14;E06B7/22;(IPC1-7):E06B5/14 |
主分类号 |
E06B5/14 |
| 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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