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经营范围
发明名称
Improvements in or relating to fluid flow control valves
摘要
申请公布号
GB1001553(A)
申请公布日期
1965.08.18
申请号
GB19620006595
申请日期
1962.02.20
申请人
MADS CLAUSEN
发明人
分类号
F16K31/40
主分类号
F16K31/40
代理机构
代理人
主权项
地址
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