发明名称 |
Cross-over prevention valve |
摘要 |
A valve mechanism which is resiliently biassed towards a first position but is normally retained in a second position by means of a linkage including a chemically sensitive device which is arranged to release in the presence of a contaminant.
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申请公布号 |
US2004112428(A1) |
申请公布日期 |
2004.06.17 |
申请号 |
US20030685303 |
申请日期 |
2003.10.14 |
申请人 |
STUART GRAHAM M. |
发明人 |
STUART GRAHAM M. |
分类号 |
F16K17/40;G01N33/22;(IPC1-7):F16K17/36 |
主分类号 |
F16K17/40 |
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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