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发明名称
Filter treatment
摘要
申请公布号
US2123092(A)
申请公布日期
1938.07.05
申请号
US19360095849
申请日期
1936.08.13
申请人
INFILCO INC.
发明人
BEHRMAN ABRAHAM SIDNEY
分类号
C01B31/08
主分类号
C01B31/08
代理机构
代理人
主权项
地址
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