发明名称 |
Rubber flap for gas pipeline, has pressure spring placed through hole in main pipeline through adapter so that gas discharge is temporarily closed in pipeline |
摘要 |
<p>The flap has a pressure spring placed through a hole in a main pipeline through an adapter so that gas discharge is temporarily closed in pipeline.</p> |
申请公布号 |
NL1036086(C2) |
申请公布日期 |
2009.09.10 |
申请号 |
NL20081036086 |
申请日期 |
2008.10.17 |
申请人 |
ANTONIUS WILHELMUS JOSEPHUS VAN DEN BOOGAARD |
发明人 |
ANTONIUS WILHELMUS JOSEPHUS VAN DEN BOOGAARD |
分类号 |
F16L55/16 |
主分类号 |
F16L55/16 |
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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