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经营范围
发明名称
Fluid seal
摘要
申请公布号
US2245475(A)
申请公布日期
1941.06.10
申请号
US19390269080
申请日期
1939.04.21
申请人
AMERICAN FELT COMPANY
发明人
HATELY FURNESS HALL
分类号
F16J15/34
主分类号
F16J15/34
代理机构
代理人
主权项
地址
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