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经营范围
发明名称
Floor polisher
摘要
申请公布号
US1759731(A)
申请公布日期
1930.05.20
申请号
US19270214193
申请日期
1927.08.19
申请人
ELECTRIC VACUUM CLEANER COMPANY, INC.
发明人
CARSON JESSE F.
分类号
A47L11/204
主分类号
A47L11/204
代理机构
代理人
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地址
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