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发明名称
Broom attachment
摘要
申请公布号
US1850318(A)
申请公布日期
1932.03.22
申请号
US19310534994
申请日期
1931.05.04
申请人
DROTOS JOHN J;CRAWFORD ROBERT H
发明人
DROTOS JOHN J.;CRAWFORD ROBERT H.
分类号
A46D7/00
主分类号
A46D7/00
代理机构
代理人
主权项
地址
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