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发明名称
FILTRATION METHOD
摘要
申请公布号
CA380820(A)
申请公布日期
1939.04.18
申请号
CAD380820
申请日期
申请人
THE COLORADO FUEL AND IRON CORPORATION
发明人
GEORGE HERBERT RUPP;PHILIP MORHISER FRANTZ
分类号
主分类号
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代理人
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