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摘要
申请公布号
US2522502(A)
申请公布日期
1950.09.19
申请号
US19450607592
申请日期
1945.07.28
申请人
THE AUTO APPLIANCE PATENTS CO.
发明人
CLARK JOEL B.
分类号
B01D29/46;B01D35/147
主分类号
B01D29/46
代理机构
代理人
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