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发明名称
Fluid sealed sluice valves
摘要
申请公布号
GB1018675(A)
申请公布日期
1966.01.26
申请号
GB19640002987
申请日期
1964.01.23
申请人
ALEXANDER SAMUEL VOLPIN
发明人
分类号
F16K3/36
主分类号
F16K3/36
代理机构
代理人
主权项
地址
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