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发明名称
Air-method cleaning and dusting tool
摘要
申请公布号
US1994869(A)
申请公布日期
1935.03.19
申请号
US19300470511
申请日期
1930.07.24
申请人
CITIZENS TRUST COMPANY
发明人
REPLOGLE DANIEL BENSON
分类号
A47L9/02
主分类号
A47L9/02
代理机构
代理人
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地址
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