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经营范围
发明名称
Microporous rubber filtering medium
摘要
申请公布号
US2185586(A)
申请公布日期
1940.01.02
申请号
US19380246789
申请日期
1938.12.20
申请人
UNITED STATES RUBBER COMPANY
发明人
BROOKS ARTHUR E.
分类号
B01D39/14;B01D69/10;B01D71/24
主分类号
B01D39/14
代理机构
代理人
主权项
地址
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