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摘要
申请公布号
US2627351(A)
申请公布日期
1953.02.03
申请号
US19490121767
申请日期
1949.10.17
申请人
OGDEN HUBERT S
发明人
OGDEN HUBERT S.
分类号
B01D25/02
主分类号
B01D25/02
代理机构
代理人
主权项
地址
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