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发明名称
Cleaning apparatus
摘要
申请公布号
US1772530(A)
申请公布日期
1930.08.12
申请号
US19220526646
申请日期
1922.01.03
申请人
MATTHEW KYLE
发明人
WHITLOCK GEORGE E.
分类号
A47L5/26
主分类号
A47L5/26
代理机构
代理人
主权项
地址
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