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发明名称
Gate valve construction
摘要
申请公布号
GB891743(A)
申请公布日期
1962.03.21
申请号
GB19590039716
申请日期
1959.11.23
申请人
ALEXANDER SAMUEL VOLPIN
发明人
分类号
F16K3/36;F16K27/04
主分类号
F16K3/36
代理机构
代理人
主权项
地址
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