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发明名称
PERFORATED ROTATABLE FILTER DRUM
摘要
申请公布号
CA550828(A)
申请公布日期
1957.12.31
申请号
CAD550828
申请日期
申请人
ERNEST E. MURRAY
发明人
ERNEST E. MURRAY
分类号
主分类号
代理机构
代理人
主权项
地址
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