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发明名称
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摘要
申请公布号
US2003553(A)
申请公布日期
1935.06.04
申请号
US19340721097
申请日期
1934.04.18
申请人
ROOT RALPH C
发明人
ROOT RALPH C.
分类号
A45C11/32
主分类号
A45C11/32
代理机构
代理人
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