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发明名称
Screen
摘要
申请公布号
US2351712(A)
申请公布日期
1944.06.20
申请号
US19410387320
申请日期
1941.04.07
申请人
NATIONAL TUBE COMPANY
发明人
SATTELE LOUIS F.;ZIEGLER AUGUST H.
分类号
B01D21/02;B01D33/00;B03B5/56
主分类号
B01D21/02
代理机构
代理人
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地址
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