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发明名称
VALVE HAVING A REMOVABLE SEAT
摘要
申请公布号
CA665575(A)
申请公布日期
1963.06.25
申请号
CAD665575
申请日期
申请人
SULZER FRERES, S.A.
发明人
HANS R. GERBER
分类号
主分类号
代理机构
代理人
主权项
地址
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