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经营范围
发明名称
Suction sweeper
摘要
申请公布号
US2221745(A)
申请公布日期
1940.11.12
申请号
US19330704108
申请日期
1933.12.27
申请人
KIRBY JAMES B
发明人
KIRBY JAMES B.
分类号
A47L5/10;A47L5/30;A47L9/00
主分类号
A47L5/10
代理机构
代理人
主权项
地址
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