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经营范围
发明名称
Improvements in or relating to fluid flow control devices
摘要
申请公布号
GB648751(A)
申请公布日期
1951.01.10
申请号
GB19470000392
申请日期
1947.01.06
申请人
THOMPSON PRODUCTS, INC.
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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