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发明名称
Dustpan
摘要
申请公布号
US2219216(A)
申请公布日期
1940.10.22
申请号
US19380246217
申请日期
1938.12.16
申请人
ANDERSON ALVIN H
发明人
ANDERSON ALVIN H.
分类号
A47L13/52
主分类号
A47L13/52
代理机构
代理人
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