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发明名称
Improvements in fluid-flow control gate valves
摘要
申请公布号
GB906226(A)
申请公布日期
1962.09.19
申请号
GB19610002258
申请日期
1961.01.19
申请人
MARVIN HENRY GROVE
发明人
分类号
F16K27/04;F16K27/10
主分类号
F16K27/04
代理机构
代理人
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地址
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