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发明名称
Improvements in or relating to fluid flow control valves
摘要
申请公布号
GB728351(A)
申请公布日期
1955.04.20
申请号
GB19530024862
申请日期
1953.09.08
申请人
WERNER HARTMANN
发明人
分类号
F16K5/04
主分类号
F16K5/04
代理机构
代理人
主权项
地址
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