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发明名称
Electrically operated cradle
摘要
申请公布号
US1803887(A)
申请公布日期
1931.05.05
申请号
US19300425135
申请日期
1930.02.01
申请人
BARNES CARL B H
发明人
BARNES CARL B. H.
分类号
A47D9/02
主分类号
A47D9/02
代理机构
代理人
主权项
地址
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