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经营范围
发明名称
Self-cleaning filter
摘要
申请公布号
US3286843(A)
申请公布日期
1966.11.22
申请号
US19650481317
申请日期
1965.08.20
申请人
KRAISSL JR FREDERICK
发明人
JR. FREDERICK KRAISSL,
分类号
B01D29/00
主分类号
B01D29/00
代理机构
代理人
主权项
地址
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