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经营范围
发明名称
Porous media
摘要
申请公布号
US2979400(A)
申请公布日期
1961.04.11
申请号
US19590791097
申请日期
1959.02.04
申请人
PUROLATOR PRODUCTS, INC.
发明人
MOUWEN HERMAN C.
分类号
B01D39/20
主分类号
B01D39/20
代理机构
代理人
主权项
地址
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