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经营范围
发明名称
Suction cleaner and rotary agitator therefor
摘要
申请公布号
US2476537(A)
申请公布日期
1949.07.19
申请号
US19430514592
申请日期
1943.12.17
申请人
ERICKSON CARL E
发明人
ERICKSON CARL E.
分类号
A47L9/04
主分类号
A47L9/04
代理机构
代理人
主权项
地址
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