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经营范围
发明名称
Fluid flow control valves
摘要
申请公布号
GB937690(A)
申请公布日期
1963.09.25
申请号
GB19610039692
申请日期
1961.11.06
申请人
GRINNELL CORPORATION
发明人
分类号
F16K7/12;F16K27/02
主分类号
F16K7/12
代理机构
代理人
主权项
地址
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