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发明名称
Improvements in or relating to fluid-flow control valves
摘要
申请公布号
GB747897(A)
申请公布日期
1956.04.18
申请号
GB19540011446
申请日期
1954.04.21
申请人
WESTINGHOUSE ELECTRIC INTERNATIONAL COMPANY
发明人
分类号
F16K1/12;G05D7/06
主分类号
F16K1/12
代理机构
代理人
主权项
地址
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