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发明名称
DUST EXCLUDING COVER FOR DISHES
摘要
申请公布号
CA299800(A)
申请公布日期
1930.04.29
申请号
CAD299800
申请日期
申请人
EDNA SIBLEY TIPTON
发明人
MARY TIPTON DEVINE
分类号
主分类号
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代理人
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