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发明名称
FLEXIBLE DOUBLE DISC GATE VALVE
摘要
申请公布号
CA585799(A)
申请公布日期
1959.10.27
申请号
CAD585799
申请日期
申请人
CRANE CO.
发明人
CARL A. DOPP
分类号
主分类号
代理机构
代理人
主权项
地址
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