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发明名称
Wall paper cleaner
摘要
申请公布号
US1859747(A)
申请公布日期
1932.05.24
申请号
US19310514383
申请日期
1931.02.09
申请人
NEALE HERBERT S
发明人
NEALE HERBERT S.
分类号
A47L13/00
主分类号
A47L13/00
代理机构
代理人
主权项
地址
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