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经营范围
发明名称
Glass cleaner
摘要
申请公布号
US2561240(A)
申请公布日期
1951.07.17
申请号
US19480005761
申请日期
1948.02.02
申请人
SPEARMAN JOSEPH E
发明人
SPEARMAN JOSEPH E.
分类号
A47L15/00
主分类号
A47L15/00
代理机构
代理人
主权项
地址
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