| 发明名称 |
Device for ensuring continuous flow of liquid through water or petroleum pipeline or blood supply tube comprises air vent valve and non-return valve |
| 摘要 |
The device for ensuring a continuous flow of liquid through a pipeline comprises an air vent valve (4) and a non-return valve (3).
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| 申请公布号 |
DE10039606(A1) |
申请公布日期 |
2002.02.28 |
| 申请号 |
DE20001039606 |
申请日期 |
2000.08.09 |
| 申请人 |
KARL ADOLF ZENNER WASSERZAEHLERFABRIK GMBH |
发明人 |
CALMES, MANFRED;BACKES, HERMANN |
| 分类号 |
E03B7/07;F16K24/04;(IPC1-7):F16L55/07;F16L55/10 |
主分类号 |
E03B7/07 |
| 代理机构 |
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代理人 |
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| 主权项 |
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