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经营范围
发明名称
WINDOW CLEANING DEVICE
摘要
申请公布号
US3559227(A)
申请公布日期
1971.02.02
申请号
USD3559227
申请日期
1969.04.14
申请人
GEORGE R. SCHLEICHER
发明人
GEORGE R. SCHLEICHER
分类号
A47L1/08;(IPC1-7):A47L1/08
主分类号
A47L1/08
代理机构
代理人
主权项
地址
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