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发明名称
Nozzle for suction cleaner
摘要
申请公布号
US2516246(A)
申请公布日期
1950.07.25
申请号
US19450635049
申请日期
1945.12.14
申请人
NORRIS EDWARD O
发明人
NORRIS EDWARD O.
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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