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发明名称
Production of filter elements
摘要
申请公布号
US2806474(A)
申请公布日期
1957.09.17
申请号
US19540438877
申请日期
1954.06.23
申请人
EMMANUEL YARSLEY VICTOR
发明人
YARSLEY VICTOR EMMANUEL
分类号
A24D3/10;B01J20/22
主分类号
A24D3/10
代理机构
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