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发明名称
Child's convertible unit
摘要
申请公布号
US2269834(A)
申请公布日期
1942.01.13
申请号
US19400314901
申请日期
1940.01.22
申请人
WAGNER EDWARD G
发明人
WAGNER EDWARD G.
分类号
A47D13/10;A63G13/06
主分类号
A47D13/10
代理机构
代理人
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地址
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