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经营范围
发明名称
Improvements in fluid flow control valves
摘要
申请公布号
GB987605(A)
申请公布日期
1965.03.31
申请号
GB19620041630
申请日期
1962.11.02
申请人
MARVIN HENRY GROVE
发明人
分类号
F16K3/02
主分类号
F16K3/02
代理机构
代理人
主权项
地址
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