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发明名称
Collapsible baby walker
摘要
申请公布号
US2478516(A)
申请公布日期
1949.08.09
申请号
US19450637643
申请日期
1945.12.28
申请人
WILCOX CHARLES D
发明人
WILCOX CHARLES D.
分类号
A47D1/06
主分类号
A47D1/06
代理机构
代理人
主权项
地址
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