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发明名称
Improvements in check valves for use in liquid and vapour contacting apparatus
摘要
申请公布号
GB994772(A)
申请公布日期
1965.06.10
申请号
GB19640016327
申请日期
1964.04.20
申请人
HYDRONYL LIMITED
发明人
分类号
B01D3/16;F16K17/04
主分类号
B01D3/16
代理机构
代理人
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地址
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