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发明名称
Vacuum cleaner nozzle
摘要
申请公布号
US2243611(A)
申请公布日期
1941.05.27
申请号
US19380236639
申请日期
1938.10.24
申请人
EDWARD STROSCHEIN
发明人
STROSCHEIN EDWARD
分类号
A47L9/02
主分类号
A47L9/02
代理机构
代理人
主权项
地址
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