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经营范围
发明名称
Cleaning device and adaptor means therefor
摘要
申请公布号
US2428919(A)
申请公布日期
1947.10.14
申请号
US19450584693
申请日期
1945.03.24
申请人
MORRIS ELMER C
发明人
MORRIS ELMER C.
分类号
B25G3/38
主分类号
B25G3/38
代理机构
代理人
主权项
地址
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