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发明名称
Filter-silencer
摘要
申请公布号
US2907405(A)
申请公布日期
1959.10.06
申请号
US19570698748
申请日期
1957.11.25
申请人
AMERICAN FELT COMPANY
发明人
MARSHALL JULE F.
分类号
A47L9/12
主分类号
A47L9/12
代理机构
代理人
主权项
地址
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