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发明名称
Filter bed
摘要
申请公布号
US1780791(A)
申请公布日期
1930.11.04
申请号
US19290345291
申请日期
1929.03.08
申请人
ANDREW LENDERINK
发明人
LENDERINK ANDREW
分类号
C02F3/04
主分类号
C02F3/04
代理机构
代理人
主权项
地址
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