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经营范围
发明名称
FLUID FILTER ELEMENT
摘要
申请公布号
CA868510(A)
申请公布日期
1971.04.13
申请号
CAD868510
申请日期
申请人
PUROLATOR
发明人
ARTHUR H. ENGSTROM
分类号
主分类号
代理机构
代理人
主权项
地址
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