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经营范围
发明名称
Filter and septum
摘要
申请公布号
US2804978(A)
申请公布日期
1957.09.03
申请号
US19560589030
申请日期
1956.06.04
申请人
ROMAR FILTER CORPORATION
发明人
RODEN PHILIP;MARKS LAWRENCE P.
分类号
主分类号
代理机构
代理人
主权项
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