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经营范围
发明名称
Perfectionnements à la construction des valves
摘要
申请公布号
FR941111(A)
申请公布日期
1949.01.03
申请号
FRD941111
申请日期
1945.07.25
申请人
EATON MANUFACTURING COMPANY
发明人
分类号
F15B13/02
主分类号
F15B13/02
代理机构
代理人
主权项
地址
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