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经营范围
发明名称
Safety holding board for use in caring for babies
摘要
申请公布号
US2594883(A)
申请公布日期
1952.04.29
申请号
US19460681090
申请日期
1946.07.02
申请人
发明人
DONNEN JAMES R.
分类号
A47D15/00
主分类号
A47D15/00
代理机构
代理人
主权项
地址
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