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发明名称
CARPET SWEEPER
摘要
申请公布号
CA362070(A)
申请公布日期
1936.11.24
申请号
CAD362070
申请日期
申请人
THE SWEEPER PRODUCTS CO.
发明人
JOHN F. MILLIGAN
分类号
主分类号
代理机构
代理人
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地址
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