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发明名称
Filter signal device
摘要
申请公布号
US3042076(A)
申请公布日期
1962.07.03
申请号
US19590789354
申请日期
1959.01.27
申请人
PUROLATOR PRODUCTS, INC.
发明人
SCAVUZZO WILLIAM J.
分类号
B01D35/143;B01D46/42;F02M35/09
主分类号
B01D35/143
代理机构
代理人
主权项
地址
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