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摘要
申请公布号
US2394895(A)
申请公布日期
1946.02.12
申请号
US19430473292
申请日期
1943.01.23
申请人
BURHANS WILLIAM G
发明人
BURHANS WILLIAM G.
分类号
B01D29/21;B01D35/147
主分类号
B01D29/21
代理机构
代理人
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地址
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